The new concept is set to challenge the generations-old success of gas-guzzler bikes ... potentially for keeping the battery pack cool while maintaining the bike's sleek design.

These cool-looking test e-bikes can hold up to 400 pounds of cargo ... Update 6/6/22 11:47 am: This article previously stated that the new gas-powered mail trucks will get 8.6 mpg.

This isn’t just any old Harley covering a garage floor with oil – this is a gas turbine powered bike built to break the land speed record at Bonneville. The engine inside [Anders]’s bike is ...