Car makers ask US officials to loosen fuel economy requirements
They want to use a credit system to keep some polluting cars on the road.
Infiniti's latest engine is a last hurrah for gas-powered cars
The QX50 has the first production turbo engine to switch between performance and good fuel economy on the fly.
GMC's latest SUV travels farther thanks to glue
The vehicle has shed 700 pounds by ditching rivets and welds.
VW reportedly knew its fuel economy figures were wrong a year ago
Volkswagen may have known its fuel efficiency claims were bunk, not just its emissions.
Ford hybrid software update will improve gas mileage, arrives in August
Apparently the window stickers of Ford's hybrid line didn't tell the whole story when it came to g...
Chevy Volt EcoHub app tells drivers how little they pay to charge, goads them into staying green (video)
GM's OnStar team would really like us to stay on the electric side of the Chevy Volt's powertrain...
Ford C-MAX Hybrid rated for 47MPG across the board, C-MAX Energi hits 85MPH in EV mode
The wait for the Ford C-MAX Hybrid has been a long one, and we'll still be waiting until the fall...
Tesla Roadster 2.5 gets 119 MPGe rating from EPA, still as expensive as ever (updated)
Move over, Nissan, because there's a new MPGe king in town. Yesterday, the EPA anointed Tesla s...
Smart Fortwo ED gets official EPA ratings: 94 MPG city, 79 MPG on the highway
Looks like "Team 250" is primed to add a few new members now that the EPA has revealed its official...