Dear EarthTalk: I don't understand why there are many European diesel cars with very high mileage ratings that are not available in the U.S. Can you enlighten? (John Healy, Fairfield, Conn.)
Environment
Apr 27, 2009
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Germany on Monday rolled out the world's first hydrogen-powered train, signalling the start of a push to challenge the might of polluting diesel trains with costlier but more eco-friendly technology.
Energy & Green Tech
Sep 17, 2018
1
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Emissions from diesel cars rigged to appear eco-friendly may be responsible for 5,000 air pollution deaths per year in Europe alone, according to a study published on Monday.
Environment
Sep 18, 2017
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425
The world's most fuel-efficient couple has done it again. John and Helen Taylor were determined to break the record for the farthest distance traveled on a single tank of fuel. They decided to attempt the record in the U.S. ...
Energy & Green Tech
May 11, 2012
10
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(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 ...
With the wind rushing through their hair, they zip past on bikes, electric scooters and mono-wheels, effortlessly passing lines of hot-and-bothered drivers stuck in the endless Paris traffic.
Energy & Green Tech
Jul 13, 2019
0
31
(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, ...
It may be hard to believe, but the beloved gasoline engine that powers more than 200 million cars across America every day didn't get its status because it's the most efficient engine. Diesel engines can be more than twice ...
Engineering
May 5, 2011
17
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On the evening of Feb. 2, 1942, an unarmed tanker with 66,000 barrels of crude oil on board was steaming in the Atlantic, about 90 miles off Ocean City, Md. Without warning, it was struck by German torpedoes. The attack set ...
Environment
Jul 17, 2011
11
0
Global carmakers, stung by emissions scandals, are racing to hunt down every gram of harmful CO2 spewed out on the roads as tougher pollution rules kick in.
Energy & Green Tech
Mar 5, 2017
37
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