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We may receive a commission on purchases made from links. Diesel engines help us accomplish a myriad of tasks every day. While it is true that diesel engines are more efficient than gasoline engines ...

LiquidPiston's XTS-210 rotary engine is about the size of a basketball but could replace generator engines several times larger. A Connecticut-based company is on contract with the Army and Air Force ...

Horse Powertrain wasn't the only automotive supplier showing an efficiently packaged range-extender engine system at this year's IAA Mobility Munich show, which wrapped up over the weekend. German ...

It's been quite some time since we first covered the exploits of a company called LiquidPiston, and given what we've learned since then, we were quite anxious to find out what these guys are up to ...

A fuel-powered generator's engine can't keep working forever, so how long can you reasonably expect one to last? The answer ...

The answer is maybe. Here's how to find out if your power needs make it worth it.