Student invents ion thruster that breaks NASA's fuel efficiency record
September 27, 2015, 5:41 p.m. by Bryan Nelson
Mars and back on a tank of fuel? Ion drive could revolutionize space travel.
Shell's Eco-marathon unveils plans for an 83-mpg car
April 10, 2015, 4:45 p.m. by Jim Motavalli
As colleges and high schools gather in Detroit to show off their super-efficient, home-built hot rods, the company behind the tech party says it will co-build its own fuel miser.
2 lousy reasons why fuel economy goals might change
March 20, 2015, 9:22 a.m. by Jim Motavalli
Carmakers have to reach 54.5 mpg by 2025, but an 'adjustment' of the rule is possible.
Too good to be true? Fast electric ‘flow battery’ cars
March 10, 2015, 10:23 a.m. by Jim Motavalli
With more than 1,000 horsepower and 600 miles of range, this green car is sexy, fast and interesting — but it’s only in prototype mode.
When it comes to speed limits, how fast is too fast?
October 27, 2014, 5:49 p.m. by Jim Motavalli
Citing driver freedom, many states are hitting 80 and even 85 mph these days. There's plenty of evidence to suggest that's a bad idea.