Court blocks Trump's delay of fuel efficiency penalties
Car makers will still face stiff penalties if they don't meet standards.
Trump reportedly seeks massive budget cuts to clean energy research
A draft budget proposal includes a 72 percent cut to certain Energy Department funds.
China halts production of 553 car models over fuel efficiency
Many cars from major brands didn't make the cut.
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.
Car makers ask Trump to revisit fuel efficiency rules
They don't want to be held to tougher environmental standards through 2025.
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 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...