Team Green has made a few important tweaks to its innovative standouts in both the Ninja and Z model lineups.

HANOI, Vietnam(AP) — Vietnam is split between two visions: the rumbling, reliable gas-powered motorbikes that now rule the roads, and sleek, silent electric bikes the government says are its future.

Power companies need to reduce their carbon emissions, and this new gas engine promises to help them do so by running on a unique fuel blend.

One way of looking at how vehicles are made today is to consider cars habitats on wheels, while motorcycles are, of course, nothing more than engines on wheels. And it's those engines, the biggest of ...

There is this phrase Americans love that says there's no replacement for displacement. For one reason or another, the country came to the conclusion that the bigger the engines used in their cars are, ...