Synhelion already successfully tested its solar fuel in a jet, an Audi, and, now, the world's first solar-fueled ...

Harley-Davidson is a brand deeply tied to tradition, from its distinctive rumble to hands-on garage tuning. Carbureted engines were a part of that rugged image for decades. Owners loved tinkering with ...

On May 4, along the shores of Lake Lucerne, in Seelisberg, Switzerland, Aldo Steinfeld went for a ride on his Harley-Davidson. The day was warm and sunny, with stunning panoramic views of the Swiss ...

Even if you have a crazy bank balance that allows you to afford the priciest motorcycle in the world, you would still think about the fuel efficiency it returns at some point. That’s just basic human ...

If you are interested in a Harley-Davidson Sportster, it's worth knowing what kind of mpg they get. Here's what Harley claims and what users are saying.