So, the average gas mileage of a Class C RV is 8 to 10 miles per gallon. Savannah, GA. Email Call 1-877-481-3986. Sell your RV online with our basic package. Search: 1989 Fleetwood Bounder Fuel Tank Capacity. Peter Mercer Justifying Your Buying Dollars. Diesel Pusher Operating Costs Operating costs on a diesel pusher motorhome will take a very large leap upwards, as well. So heres the scoop on our Conklin Diesel Fuel Supplement Test in our Fleetwood RV: Route: Bardstown, KY to Walnut, IA (via MI and da UP) 17,047 Starting Mileage. If you plan on storing it in your driveway rather than in a facility, this amount of space will be important when considering the length you want for your motorhome. Euro Motorhomes 22-30mpg. Originally, only a standard (stick shift) transmission vehicle could handle being towed without the engine running 63% since the beginning of 2021, according to trading on a contract for difference (CFD) that tracks the benchmark market for this commodity Over the past 37,997 miles our V-10 We realize that driving conditions, weather, etc. Round trip to California I estimated I will save $400.00 to $700.00 in fuel with the additional comfort from several angles I have no complaints on the decision we made last May. But its clear that a diesel pusher is not just about fuel and engine differences. The benefits of the Diesel Pusher RV/ Motorhome MPG MAX boost cooler and water-methanol injection system are many. 2021 Newmar Dutch Star 4369 Motorhome. Diesel Class A motorhomes have fuel capacities that range from 100-200 gallons. And while miles per gallon can vary greatly depending on the overall length and weight of the motorhome, on average a diesel RV will get anywhere from 8 to 14 mpg, However, in smaller rigs, particularly Class C motorhomes, youll likely see much better fuel economy than a large Class A pusher, even with the engine up front. Its higher energy density means that diesel fuel can offer up to 10 percent better fuel economy by volume. One of the most important differences between gas and diesel engines is the thermal efficiency of diesel engines, which refers to the work that can be expected to be produced by the fuel put into the engine. Smooth and powerful driving. 2019 Winnebago Vista 29VE Motorhome. $27,500. A Class B RV averages 18 to 22 miles per gallon. RV Class A. 2021 Newmar Ventana 4369 Motorhome. fuel gas diesel hybrid electric other 2003 BEAVER 36FT BUS DIESEL PUSHER WITH 3 SLIDES 22K MILES $53,900 (RUNS AND LOOKS EXCELLENT. Attractive 4 color scheme gets some nice looks and easy to spot among common RV beige. The Class C RV sits right between the Class A and Class B RVs. 300Hp may seem low but coach is not real heavy at 26,900 lbs so gets 11 mpg towing at 62 mph. Posts: 26,068. Gas RVs are less expensive to buy and maintain. We offer the largest and most diverse selection of motorized and towable RVs found anywhere in the world with new RVs ranging from $14,999 to over $2M. With a tank that holds 100 gallons, and diesel prices running close to $4.00 per gallon, I can expect to pay near to $400. There are several important benefits of choosing the best diesel RV under 30 feet over a larger rig or another RV with a gas engine. The latest manufacturer trend in front engine diesel motor homes is to produce vehicles that are aerodynamic and highly fuel efficient. fuel gas diesel hybrid Winnebago Access 28' RV - LOW MILEAGE $52,500 (N Kingstown) pic hide this posting restore restore this posting. RVs, camper trailers, toy haulers and get a fantastic camping experience. Helps clean intake, valves and combustion Larger RVs (class A) will consume the most fuel. This extra efficiency can help offset the costs of diesel fuel. Mount Comfort RV is a premium RV dealership located in Greenfield, IN. So, what are the best diesel motorhomes for the money in 2022 (both new and used): 2022 Tiffin Phaeton 40IH Motorhome. Average fuel consumptions vary based on an RVs size; in general the larger the RV, the lower the mpg.The other main consumption factors will depend on the terrain you are driving in and whether you are towing additional trailers or cars.. "/> Does a diesel RV get better gas mileage? fuel gas diesel hybrid Mileage - 66450 $92,900 (bak > Mentone) pic hide this posting restore restore this posting. Our sales account for approximately 40% of all the new motor homes sold in the state of Texas. ps..We are thinking of selling our Discovery (not because of the mileage). Sprinter RVs for Sale at Motor Home Specialist, the #1 Volume Selling Motor Home Dealer in the World as well as a Sprinter RV dealer.. 2021 Thor Axis 24.1 Motorhome . Diesel Class A Motorhomes. Location: Powell River, B.C. MPG should expect average of 7-10 with either gas or diesel powered Class As. When its time to fuel up, the fuel tanks are different. only you can determine if one is better than the other. It's a one-owner deal, non-smokers, no pets, no young kids and has the sought after 5.9L Cummins 24V diesel motor/T-1000 5 speed Allison transmission powertrain combo. The parts and labor needed are less specialized. $18,000. The average gas RV gets circa 6-10 miles per gallon, while a diesel motorhome will be 8-14 mpg range. Make: Holiday Rambler. Is diesel more fuel-efficient than gasoline in an RV? [email protected] Banks. Class B 10-25mpg.Class C 8-12mpg. Model: SCEPTER 40PBT. TYpical price range for a new Diesel Pusher is $60,000 to $950,000. especially on big inclines, and they get better mileage. Power train efficiency: With a shorter distance to the drive axles from the engine, pushers are assumed to have less power loss. The Damon / Thor Avanti has the fuel economy of the typical SUV. Fuel Injected. Yes. Detroit Diesel / Mercedes Benz at 800-445-1980; Mercedes Benz Sprinter - 877-762-8267. Diesel Pusher RVs for Sale at Motor Home Specialist, the #1 Volume Selling Motor Home Dealer in the World as well as a full line Diesel RV dealer for many iconic brands in the industry. I would not recommend any type of Rv for your situation. Diesel Pusher Class A Motorhomes For Sale - Browse 3 Diesel Pusher Class A Motorhomes available on RV Trader. Available Weekdays 8:00AM - 5:00PM PST. This kit comes with a 40 foot long wire harness, allowing you to use the LCD display, which also serves as a set of digital gauges. However, the speed limit on most US highways is between 65-75 mph. fuel gas diesel hybrid 2006 Four Winds Fun Mover Series - Mileage - 66450 $92,900 (Mentone) pic hide this posting restore restore this posting. You can expect an average of between 7-12 mpg for a Class A diesel pusher, of course depending on size and weight. Our question is what kind of fuel mileage can we expect. This extra efficiency can help offset the costs of diesel fuel.The average gas motorhome usually gets around 6-10 miles per gallon, while a diesel RV should get you into the 8-14 mpg range..A gas motorhome will be cheaper to purchase and maintain but Gas RV: Diesel RV: 80 gallon tank; Less Fuel Efficient (estimated 8mpg) Gas can be found everywhere; older diesel pusher. 276.749 Gallons of Diesel Used. $184,950. Diesel is a more efficient fuel source in all cases, including in your RV. I have never even slept in an RV!We are retiring next year and plan on hitting the road full time for a couple of years. 1. America's largest RV Rental Company is also a great place to shop for your own recreational vehicle. Email 1-714-450-6669 Motorhomes of California - Santa Ana. Financial Calculator. Slides: 1. Comparatively, motorhomes have a better fuel economy than these commercial vehicles. Weight: 6158. If a gas vehicle uses 1 gallon of fuel for every 20 miles traveled, its diesel counter-part will go 20-30% more miles on the same amount of fuel. A diesel pusher motorhome will cost you a minimum of $100 to be serviced. As a result, its in fantastic shape for its age. 2000 NEWMAR DUTCH STAR PARTS RV SALVAGE SURPLUS. All that said, me, being a retired O/O trucker, fuel was my biggest cost, so keeping a accurate MPG figure came right out of my bottom line! GVW: 8800. Truck stops are great for easy access but locations are generally only near major highways. Buying a RV is a major purchase, and like with all major purchases, it should be considered carefully before a decision is made. Diesel Class A Motorhomes. The motorhome runs, but the unit needs a lot of love. The Cummins 5.9l , is arguably the fuel mileage king , when it comes to powering a coach. Gas motorhomes range between 55- 80 gallons. Turbocharged. This luxury class A RV is a leader in gas mileage and also provides a luxurious ride. A ISC 300 HP will have 1000 ft lbs of torque while a ISB 300 HP will have 660 a BIG difference for pulling even small hills. $38,000. That means a 20% increase in fuel economy. The incredible gas mileage of 18-22 miles per gallon has always been a great selling point for the Winnebago Rialta. It offers some of the amenities of the Class A motorhomes but is smaller and lighter. Diesel RVs provide better gas mileage compared to gas RVs, providing about 10% better fuel efficiency on average. Navistar at 331-332-5000. Funny thing is the V10 would average 6.0-6.5 MPG towing, factor in the price of the diesel vs gas and I am still saving money. Its also often easier to find places to service gas RVs. Fuel Requirements. An average Class A fuel tank typically holds between 80 and 150 gallons. Used 1995 Winnebago Vectra 35RQ-P Diesel Pusher #289595 with 92 photos for sale in Little Valley, New York 14755. A good gas saving rv gets around 21 miles per gallon. RV Trader Home; Find RVs for Sale 4Length: 25Width: 8GVW: 12500Slides: 1Weight: 8000 Interior Color Exterior Color Fuel Type Travelcamp RV of Savannah. When released the Avanti was the most fuel efficient motorhome in it's class. 2019 Winnebago Vista 29VE Motorhome. Diesel Pusher RVs For Sale - Browse 3 Diesel Pusher RVs available on RV Trader. 2019 Coachmen Pursuit 29SS Motorhome. fuel gas diesel hybrid (RV Rental, Camper Rental - RV Rentals By) pic hide this posting restore restore this posting. Average RV Class Miles Per Gallon . gas motorhome, diesel motorhomes are much more fuel efficient. 2015 Holiday Rambler Ambassador class A diesel Pusher RV / Motorhome $119,000 pic If you are looking to step up to a diesel pusher this one is for you. Cummins Care at 800-343-7357 in the United States; Outside the US 812-377-3000. In addition, some of the best diesel RVs under 30 feet will provide better fuel economy than gas RVs. favorite this post Jul 4 Class A Diesel Pusher $25,000 (Leander KOA) pic hide this posting restore restore this posting. Diesel Pusher RVs For Sale - Browse 3 Diesel Pusher RVs available on RV Trader. MSRP: Starts at $281,850. Our plans are to buy a nice used diesel pusher in the 60,000 dollar range. 1980 GMC H8H649. The new Essex 4578 floor plan is a full wall slide bath and a half bunk model See full list on thegoodthebadandtherv Listing 1-20 Of 20 Description: 2006 Newmar Essex 4502 w/4 Slides One of Newmar's finest, this coach has the Spartan K-2 chassis with 500 HP Cummins engine and 2 stage Jake brake Lazydays, The RV Authority, features a wide selection of RVs in Tampa, FL, Talk about newbie. A good gas saving rv gets around 21 miles per gallon. Apr 112011. You can expect an average of between 7-12 mpg for a Class A diesel pusher, of course depending on size and weight. $75,500. So, what are the best diesel motorhomes for the money in 2022 (both new and used): 2022 Tiffin Phaeton 40IH Motorhome . MANY USED DUTCH STAR PARTS FOR SALE.THIS IS A 40FT 1 SLIDE DIESEL PUSHER THAT HAD AN INTERIOR FIRE.SALVAGE TITLE.RUNS AND LOT DRIVES. RV Fuel Mileage. 2015 Holiday Rambler Ambassador class A diesel Pusher RV / Motorhome $119,000 (oxr) pic hide this posting restore restore this posting. Sold By: Visone RV. For starters, most diesel pushers come with higher towing capacities than their gas-powered counterparts. 2022 Coachmen Sportscoach SRS 339DS The Sportscoach SRS Class A Motorhome gives you everything youd want out of a diesel pusher. Although still not great, a diesel engine is slightly more fuel-efficient than a gas engine. The next size up is the newer ISB 6.7L, then the Cat 3126/C7 at 7.2L, then the ISC 8.3L, and then the ISL 8.9L in the 400 HP and less. 2021 Thor Axis 24.1 Motorhome. That is partly because diesel fuel has a greater energy value than gasoline does. Country Coach 40 ft Intrigue Diesel Pusher RV Replacement Parts Guide $3005 SAVE 26% LIST $40 Note: MPG. Diesel Pusher simply means that the engine is located in the rear of the coach vs up front, and these Class As are designed to give you more torque when going up hills. So, what are the best diesel motorhomes for the money in 2022 (both new and used): 2022 Tiffin Phaeton 40IH Motorhome. Reliable Cummins engine and Allison power train. In this article, were going to look into your options to get the best Motorhome Gas Mileage. the life expectancy is much higher and produces much better gas mileage than those that use gasoline. When all is said, the diesel pusher ends up with as much as 30- to 40-percent more GVW (gross vehicle weight) capacity. Many owners report 10+mpg. MPG - Large motorhomes may eat up a lot of fuel, but diesel engines are generally more fuel-efficient than gasoline RVs. I dont know if someone would want it for the engine or maybe want to fix up or what. diesel pusher RVs for Sale Matches 1 - 25 of 6 16 1 Stock Number: 3704 $18,995 1995 Triple E Empress 3601 Diesel Pusher 107,613 miles 1995 Triple E Empress 3601 Diesel Pusher, Very Clean Nice Coach!!! Carburetion Type. As UTI reports, a diesel engine is about 20% more thermal efficient than a gas engine. The ideal speed to drive an RV is around 55-60 mph the so-called sweet spot for RV fuel efficiency. Our Class A motorhome is a diesel-pusher, which means its diesel-powered engine is in the motorhomes rear. Contact Us (606) 314-0564. Thor Palazzo 33.5. RV Class B. 2000 FLEETWOOD BOUNDER 39Z DIESEL PUSHER MOTORHOME WITH TURBO DIESEL ENGINE AND AUTOMATIC TRANSMISSION. Average MPG for a Class A Diesel Pusher Motorhome Although still not great, a diesel engine is slightly more fuel-efficient than a gas engine. Length: 3411. 2001 Monaco Diplomat 2020 Winnebago Forza 34T Motorhome. $36,421. RV Class C. Smaller class Cs can provide a better rate of 10-15 MPG travel. It is a great option for large families and multi-family outings because of its large sleeping capacity and ample storage capacity both inside and underneath. Posted by Nick Russell at 12:08 am Nick's Blog. 1999 Dutch star by Newmar 36 ft. 300 Cummings motor, Allison transmission and 67,000 miles. What Affects the Fuel Economy of a Class A Motorhome? Everything about RV life delivered directly to your inbox. What is a Diesel Pusher? 2020 Winnebago Forza 34T Motorhome. 19,392 Ending Mileage. Updated Daily. The TSD diesel fuel card is available to individual RV owners and independent truck owners. Rides well at 60-62mpg and rides up steep hills OK, kicking down to 5th gear and rarely to 4th gear. I read somewhere that low mileage is not good because it indicates the RV was parked most of the time. We have been trying to decide whether to purchase a used Class A Diesel motorhome. Find Diesel Pusher in RVs & Motorhomes | Find motorhomes for sale locally in Canada. Our Motorhome Sales Centers are located across the US and Canada. Where your RV falls in that range will determine your fuel savings. Next fuel economy, I recently drove a 40 Diesel Pusher with a Cummins L9 380HP over 675 miles of which 80% was highway and averaged 25 Gallons per 320 miles or 12 plus MPG, a Gas Pusher is lucky to get 5mpg for the same size and weight. Due to the fact that diesel fuel has a larger energy capacity compared to gasoline. The customer service and/or hotline numbers are: Caterpillar RV Service Hotline at 877-777-3126. See this unit and thousands more at RVUSA.com. We have traveled quite a variety of land scape and average 8 mpg. The average gas motorhome usually gets around 6-10 miles per gallon, while a diesel RV should get you into the 8-14 mpg range. The average MPG of an 18 wheel tractor-trailer is less than 6 miles to the gallon. For Sale Price: Call. RV was stored for its entire life in a steel building he had built just for the RV. Interior Color: oak. This post is my opinion (free advice). A new diesel pusher RV can run, on average, between $250,000 to $600,000 or more. The incredible gas mileage of 18-22 miles per gallon has always been a great selling point for the Winnebago Rialta. The Thor Palazzo 33.5 is a class A diesel pusher that averages 10 to 12 miles per gallon. The diesel RV features an engine mounted at the rear of the vehicle (hence the term, pusher).Gas-powered vehicles are powered by engines more conventionally placed in the front. MPG - Large motorhomes may eat up a lot of fuel, but diesel engines are generally more fuel-efficient than gasoline RVs. Since we are discussing gas tanks and fuel economy, you should note that many Class As run off of diesel fuel. Fuel Type. There are lots of things that impact your Class A motorhomes fuel economy. The diesel pusher is the way to go in my opinion, I have had both (gassser and dp). The ultimate motorized RV, Diesel Pushers typically come fully-equipped with luxury amenities, and are perfect for serious RVers - from short weekend getaways to full-timing. Diesels last much longer too in case you plan on keeping it a while. Gross Vehicle Weight Rating (GVWR): 26,000 pounds. Dodge estimates that some Class B and C motor homes built on their chassis may average between 16 to 19 miles per gallon. Low-End Torque IF you need to climb steep hills or you want to use your motorhome to pull a boat out of a steep launch or take a cargo trailer up an incline, a gasoline engine is more likely to deliver underwhelming performance. Mileage is a low 66k and change. Diesel pushers tend to be the largest RVs. Sleeping Capacity: 6. Combine that with the fact that the larger and much heavier diesel pusher motorhome is going to get approximately 6 mgp to 7 mpg on a good day and your fuel expense will be nearly double what a RV running on regular unleaded fuel would be. The average fuel economy for Class A motorhomes is 7-13 miles-per-gallon (mpg) for diesels and 6-10 mpg for gassers. Width: 8. Increases Fuel Economy (.75-2mpg depending on application and fluid used) Advanced controller automatically meters correct amount of Snow Performance water methanol injection. Bonus tip: Take into account your hitch rating, overall weight ratings, and more when youre calculating what you can tow. Fuel economy gains of .75 to 1.25 mpg on a diesel pusher RV with this kit using just water are normal. 2021 Newmar Ventana 4369 Motorhome. Diesel. Even at 6 MPG, that means you can still go 480 - 900 miles on one tank! I just acquired a 1989 30 foot Southwind 2 Slide Outs with Toppers, Awning, Sleeps 8, Dual A/C Units, Auto Hydraulic System the many Bounder features Number Of Gray Water Holding Tanks 1 Total Gray Water Tank Capacity 75 with 500 lbs tongue weight-GVWR: 22,000 lbs with 500 lbs tongue weight-GVWR: 22,000 lbs.. Search: Rv Gas Mileage Chart. Gas-powered Class A coaches are limited in overall length of about 38 feet, while diesel pushers are made up to 45 feet.Diesel pusher motorhome. Gas will most often cost less than diesel fuel and be easier to find. I have a 1996 40 Coachmen diesel pusher. The van style class B offers the highest range with 18-20 MPG travel trailers. The average range for this type of motorhome is 8-13 MPG travel trailer. Back when we had our MCI bus conversion, I always felt like the red headed stepchild in the family, because every bus owner I knew claimed he got 8, 9, or even 10 miles per gallon, while I was lucky to squeeze a shade over 6 MPG from our old 8V71 Detroit diesel. For example, a gas Class A might get 10 MPG, and a diesel Class A might get 14 MPG. According to fueleconomy.gov, Diesel fuel contains roughly 10% to 15% more energy than Thats why many Class A motorhomes are powered by strong, rear diesel engines that push them along the road (thus the name diesel pushers). Get your RV or Motorhome producing more Power, Torque, MPG. In my present coach,1996 Monaco Windsor, 38', 8.3 manual motor, 3060 Allison, towing a PT Cruiser, running the diesel generator, last trip to Custer, S.D., in constant wind, 8.2 MPG! The program is not perfect but it does offer diesel fuel discounts at over 12,000 truck stops in North America. Dodge estimates that some Class B and C motor homes built on their chassis may average between 16 to 19 miles per gallon. We seldom drive over 65 mph and don't have to be the first one off the line at the green light. But if you plan on traveling for years, a diesel RV will get better gas mileage in the long run. When I pull up to the fuel pump with my diesel pusher my wallet takes a real serious hit. When comparing a diesel vs. gas motorhome, diesel motorhomes are much more fuel efficient. It is a 35' with a 275 HP Cummins 5.9. Type: No. East Bernstadt, Kentucky. Mileage; Mileage is very important when it comes to choosing a diesel pusher. 2021 Thor Axis 24.1 Motorhome. Details about 2005 Holiday Rambler SCEPTER 40PBT Used Class A Diesel Pusher Motor Home RV MH See original listing. There was a time in the United States when you could only buy Class B and Class C motorhomes with a Ford, or Chevy chassis, and while there is certainly nothing wrong with any of them, they are not often available with a diesel engine, but now things Fuel Efficiency. I would be very concerned about this coach reported as having a 5 speed trans, if true , If you have an RV with a diesel particulate filter, using this kit will not adversely affect regeneration. Length: 29. More Efficient with Better Fuel Mileage. 2019 Coachmen Pursuit 29SS Motorhome. Slide Outs: 3. Used 2021 Thor Motor Coach Palazzo 36.3 Diesel Pusher #2862C with 55 photos for sale in Alvarado, Texas 76009. Class A Gas Fuel Fill 80 Gallons, single location located in a different location dependent on floorplan. ; Poor Fuel Efficiency Gasoline engines tend to have a worse fuel economy. If a gas vehicle uses 1 gallon of fuel for every 20 miles traveled, its diesel counter-part will go 20-30% more miles on the same amount of fuel. 2023 Brand New 21 ft. Eclipse Attitude Iconic Toyhauler Bumper-pull 40 Gallon Fuel Station 330 Watt Solar Panel 14' Garage No Slide GVWR: 9900 lbs U Hava Style Recreation. Disadvantages of Class A Diesel RVs . 09 Chevy Express Passenger School Bus RV Camper Cargo Van 1 Owner 39K MILES $0 (ONLY 39,000 ORIGINAL LOW MILES! A standard gas engine motorhome RV would require a $3 oil filter and 5 to 6 quarts of oil every 5,000 miles or so. Take a closer look at the Allegro RED Excellent Condition and just 12,000 Miles New 2019 Tiffin Allegro Red 33AA Class A Diesel Motorhome with 4 slide outs, 360HP, King Size Bed, 8000 Onan Generator 2019 Tiffin ALLEGRO RED 33AA Stock Number: MO2047A Vin:4UZACWFC6KCKU1381 And unlike many of our friends who are buying their second or third How much is a diesel pusher motorhome? It doesn't feel like an RV because the ride is 2019 Coachmen Pursuit 29SS Motorhome . Fuel Type: Diesel. Many diesel pushers have fuel tanks between 100-200 gallons. However, RVs with gas engines require more frequent maintenance than ones with diesel. The drivelines can be set up as pusher or a puller configurations and powered by either a diesel or gasoline engines. The high torque at low RPMs means diesel engines have the power to pull more weight. COME AND GET IT! You may see this term as you are shopping for Diesel RVs. Typically, a Class A diesel pusher gets better gas mileage at 8-16 MPG. A Diesel Pusher is a Class A Motorhome that runs on diesel fuel with the engine located in the back of the RV. The Thor Palazzo 33.5 is a class A diesel pusher that averages 10 to 12 miles per gallon. Cost of diesel fuel is generally higher than that of gasoline. RV Towable Vehicles are a great option for today's RV'er! will make a difference so we are just looking for a average.. Products Intake & Exhaust Cold Air Intakes & Manifolds; Intercooler & Boost Tubes. Length (feet): 41. We have been looking at a 2000 Itasca Horizon model 360B. Diesel engines typically run for up to 300,000 miles within its lifetime. Gas Class A RVs have a fuel tank of 80 gallons. 2,345 RV Miles Driven. Sleeping Capacity: 9. If you are in the market for a class a, look no further than Diesel fuel burns much more efficiently than gasoline, and diesel fuel contains about 10% to 15% more energy. Supercharged. Call or Text (800) 601-8072. $1,030.74 Total Diesel Cost. Regular. Here are 3 of the most fuel-efficient Class A RVs you can buy today. Class A 7-10mpg. Class A Gas Motorhomes usually max out at around 5,000 pounds of towing capacity, while diesels can often pull 10,000-15,000 pounds. We have only looked at some of the items that justify the far higher price. Diesel engine RVs are more fuel-efficient than gas RVs. 2021 Newmar Dutch Star 4369 Motorhome. That is partly because diesel fuel has a greater energy value than gasoline does. Staying in the far right lane allows you to drive your RV at the optimal speed for your own safety and fuel economy, while allowing other drivers to pass on the left. 2000 National tradewinds diesel pusher $15,000 pic hide this posting restore restore this The latest manufacturer trend in front engine diesel motor homes is to produce vehicles that are aerodynamic and highly fuel efficient.