Tiny heat engine may be world's smallest

(PhysOrg.com) -- Steam engines, combustion engines, and diesel engines are all different types of heat engines, which operate by converting heat energy into mechanical work. Although heat engines have existed for a long time, ...

Volkswagen's XL1 said to be world's most economical car

(PhysOrg.com) -- Volkswagen has unveiled its new, prototype super-efficient hybrid vehicle, the XL1, at this week's Qatar motor show. The car has been under development for a decade and Volkswagen claims it is the most economical ...

World gears up for electric cars despite bumps in road

Technological advances mean fossil fuel in cars could be phased out within decades but switching to electric carries its own environmental and economic concerns as more and more countries announce radical plans.

Diesel is now better than gas, study says

Modern diesel cars emit less pollution generally than cars that run on gasoline, says a new six-nation study published today in Scientific Reports whose groundwork was laid in part by an American chemist now working at Université ...

US gov't accuses Fiat Chrysler of cheating on emissions

The U.S. government accused Fiat Chrysler on Thursday of failing to disclose software in some of its pickups and SUVs with diesel engines that allows them to emit more pollution than allowed under the Clean Air Act.

Wireless sensors could make diesel engines greener

Advances in wireless technology continue to pave the way for better consumer devices. In the future, however, wireless devices could also benefit the automotive industry, by helping diesel engines use less fuel while curbing ...

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