Combustion engines, the engines in gas-powered cars, only use a quarter of the fuel's potential energy while the rest is lost as heat through exhaust. Now, a study demonstrates how to convert exhaust ...

The Trump administration has paused home energy rebates of up to $14,000 per qualifying household. But the funding could be ...

In the run-up to Germany's February election, some experts worry climate action is being pitted against the economy. What risks could this have for both? And does it make sense to play them off ...

With EV incentives diminishing, and gas not getting any cheaper, hybrids can save thousands at the pump. Here's 10 that are ...

Electric vehicles don't create much heat when they operate, which is usually a good thing — but it can be a challenge when the temperature drops.