Decreasing an engine's displacement is one of the most straightforward ways to increase fuel efficiency. Or is it? According to research firm Emissions Analytics, the high fuel-economy ratings of ...

Q: I’ve got a lawn mower, a snowblower and a garden tiller with small gasoline engines. What is the best way to protect the engines? Is ethanol a problem? A: Small-engine repair shops love ethanol ...

Q. I’ve got a lawn mower, a snow blower and a garden tiller with small gasoline engines. I’m about to purchase a log splitter that has one. I don’t want any problems and want to avoid any damage to ...

One of the most important facets in setting up your performance car with a hopped-up V-8 is making sure that all of its systems interact well when it comes time to doing their jobs. From selecting the ...