If you're an average motorist, you're driving a car that's vastly more fuel efficient than the one you had in 1980 - and an MIT economist has explained why it almost certainly doesn't feel like it.
When Honda sets sets its sights, it really sets them high. The company recently announced goals for its future drive technology at the Tokyo Auto Show.
The Obama administration has clinched an agreement with 13 major automakers to increase fuel economy to 54.5 miles per gallon for cars and light-duty trucks by 2025.
The 2008 taxpayer bailout of General Motors saved them from extinction. Their CEO thinks that the best way to pay back the public is to raise the gas tax, for their own good of course.
Planes designed to look like birds would be more aerodynamic than traditional shapes, say a pair of engineers in California and South Africa.
The Edison2 team clearly put more effort into designing its fuel-efficient car than it did coming up with the name, and it's paid off: the Very Light Car No 98 has earned its designers $5 million from the X Foundation.