Collector cars spend more time as garage queens than they do as road warriors. And that means they sit around—especially through the winter months—with gasoline in the tank. In the old days, this wasn ...

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 ...

Does your boat motor have a problem with alcohol? That is, the alcohol blended into gasoline called ethanol. Ethanol gasoline may be suitable for car engines, but it can damage fuel systems of boat ...

In “Should the U.S. End the Ethanol Mandate?” (Journal Report, Nov. 16), I found it surprising that neither side mentions the impact of ethanol-based fuels on gas engines. Ethanol-blended fuel is ...