The regulations that set fuel-economy and greenhouse-gas emission goals for cars and trucks have lower costs and higher benefits than previous analyses report, a new Carnegie Mellon University study shows.
Environment
Sep 6, 2017
9
229
Despite advancements in fuel-saving technologies over the last 25 years, on-road fuel economy for all vehicles is up only one mile per gallon during that time.
Energy & Green Tech
Mar 2, 2017
54
274
U.S. vehicles are losing weight, and it's helping them use less fuel.
Energy & Green Tech
Nov 2, 2016
0
13
Beneath the hoods of the cars showing in Detroit this week lie engines that are as powerful as ever, but are smaller and, helped by direct injection, guzzle less gas.
Energy & Green Tech
Jan 12, 2016
6
190
Researchers have worked out how some bacteria rip hydrogen apart to produce energy, just like a biological fuel cell. In the process they question the current ideas of how this happens and possibly move one step closer to ...
Materials Science
Jan 6, 2016
1
1270
The thin, lightweight glass on your smartphone could soon be found on your car.
Engineering
Dec 15, 2015
0
779
To hold up its end of the landmark climate deal signed in Paris last week, the U.S. will need to make cars and trucks of the future far more fuel efficient.
Energy & Green Tech
Dec 15, 2015
2
10
Over the past decade, many countries and regions seeking to reduce climate-warming carbon dioxide emissions have adopted more aggressive fuel economy standards designed to boost the efficiency of new, light-duty cars and ...
Energy & Green Tech
Oct 12, 2015
17
247
Tiny, perfectly smooth carbon spheres added to motor oil have been shown to reduce friction and wear typically seen in engines by as much as 25 percent, suggesting a similar enhancement in fuel economy.
Materials Science
Mar 5, 2015
6
1023
(Phys.org) —Fuel economy must improve 57 percent in order for light-duty vehicles to match the current energy efficiency of commercial airline flights, says a University of Michigan researcher.
Energy & Green Tech
Jan 10, 2014
19
1
