Your car's engine needs a very specific diet of air and fuel to do its job, and it's the fuel pressure regulator's (FPR) job to feed it the right amount. The gadget is relatively tiny and can fit in ...

Question: I have a 1992 Chevrolet S-10 pickup with the four-cylinder engine. I told my mechanic that my truck, when idling, sounds rough at times. And when accelerating, it sometimes hesitates. He ...

Environmentalists and car crafters make strange, if not odd-opposite, bedfellows. The greenies are all over this not-so-new, environmentally friendly, renewable resource ethanol fuel that even has GM ...

Q: My car has begun to lose power above 65-70 mph. I’ve noticed it also bogs down when I accelerate hard, like when getting on the freeway. It starts OK and runs smoothly at normal speeds. Any idea ...

Power-adder Coyote fans are a happy bunch. The free-breathing V-8 eagerly responds to power inducements, and enjoys well-engineered cooling and fuel systems. Up to the octane limits of pump ...

A whoosh like connecting an air hose to a compressor is the only thing that lets me know I’m in business filling the bed-mounted fuel tank in the 2015 Chevy Silverado CNG I’m driving. Moments after ...

GM and Ram drew quite a bit of attention at the 2012 NTEA show by announcing bi-fuel compressed-natural-gas heavy-duty trucks sold through their fleet and commercial networks. For comparison’s sake, ...