Declining fuel economy can be a sign of a problem with your car. Here are a few reasons you're not getting as many miles per ...

Oregonians may be waking up to cold temperatures this week, but despite a commonly held belief, your car doesn't need to warm ...

We hung out with Clay Millican’s Parts Plus Top Fuel dragster to learn what it takes to go from 0 to 330 mph in under four seconds.

If you check your oil and find it smells like gas, then it's something that shouldn't be ignored. Here are the most likely culprits and the actions to take.

Porsche's new patented six stroke engine might not be a thing of reality yet, but the new technology is still very ...

From trains to tanks to finally tearing up the 24 Hours of Le Mans, today diesel outperforms gas for power, efficiency and ...

The phrase "Atkinson cycle" is as synonymous with hybrids as the words "Toyota" and "Prius". But what does that even mean and ...

The Environmental Protection Agency and California Air Resources Board have established that NOx and particulate emissions ...

For any particular model of car, engine designers are given a whole list of technical requirements and performance targets…within a size ceiling. The driving force of car engine sizes is “tax brackets ...

Which pickup trucks have the best diesel engines? These oil burners are made to deliver excellent power for towing and ...

The piston design has been improved to reduce oil consumption ... is an upgraded design of the familiar passive three-way catalyst used in other natural gas engines. It requires no additional fluids ...

BMW will continue to deliver the popular engine configuration, at least for as long as it is able to. "V8s are here to stay," ...