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• How promising is the "air lubrication" idea to increase the speed of ships and reduce the consumption of fuel?

  Asked by mattbrowne | 6 responses

• What is going on with fuel cell technology?

  Asked by Tenpinmaster | 15 responses

• Why is America's rail system so underdeveloped?

  Asked by Smashley | 21 responses

• Why do cars in America have such big engines?

  Asked by SpiceLMF | 42 responses

• Are current gas mileage estimates low?

  Asked by Zaku | 16 responses

• In the quest for a clean, fuel-efficient engine,why hasn't this technology,EVC,been implemented in today's modern internal combustion engine?

  Asked by lucillelucillelucille | 15 responses

• Has the Trump Administration entered the fifth stage of the climate denial or are they still in Stage 4?

  Asked by rojo | 4 responses

• The military hurts when fuel costs rise. Why haven't they yet R&D'ed hybrid drivetrains onto their vehicles?

  Asked by NayNayNayNay | 5 responses

• Car questions?

  Asked by 8lightminutesaway | 13 responses

• What is the truth about cruise control?

  Asked by Riser from iPhone | 11 responses

• Shouldn't taxis turn off their engines when stopped?

  Asked by rexpresso | 12 responses

• In 2010, when VW starts producing their 1L car, which does 285 mpg, would you consider buying one?

  Asked by ragingloli | 18 responses

• What's the next issue you'd like to see addressed by the government?

  Asked by ubersiren | 21 responses

• How can I figure out how much energy a hummingbird expends while hovering?

  Asked by LuckyGuy | 7 responses

• If you have innovative ideas to change certain things, like public transportation, highway systems, and things of that nature, where do you take them?

  Asked by RandomMrdan | 13 responses

• Why do you fill up at 76 gas stations?

  Asked by afghanhound | 18 responses

• Tire pressure. How much is too much or too little?

  Asked by Axemusica | 19 responses

• What is considered a "Fuel Efficient Car"?

  Asked by veronasgirl | 5 responses

• Which would be the best towing option?

  Asked by rojo | 8 responses

• How's the road fuel in your country priced at the minute?

  Asked by Mat74UK | 21 responses

• What is the yield per mole of the combustion of (algae-based) biodiesel fuel and/or how to find it?

  Asked by Xihana | 4 responses

• How much better is the gas milage for a manual transmission?

  Asked by Spargett from iPhone | 8 responses

• Do you think the new Boeing 787 will change aviation?

  Asked by missingbite | 9 responses

• Any Car Buffs Out There?

  Asked by Eby109 | 4 responses

• The attraction of Hummer brands - Why do people own and drive SUVs in densely populated areas where all-terrain handling is not required?

  Asked by mattbrowne | 11 responses

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