V-twin engines are two-cylinder engines where the cylinders share a common crankshaft but are not parallel with each other. They are arranged in a V configuration, with separate cylinder heads ...

The image is of the morning sky over London one hot day in June. Why do the contrails end so evenly and abruptly? David Muir Edinburgh, UK. Condensation trails, or contrails, are formed when the ...

CFMoto is joining the party with a parallel-twin with a CVT. The motorcycle world is super hot on semi-automatic and automatic transmissions. The likes of KTM's AMT, Yamaha's Y-AMT, and Honda's E ...

In a recent reveal showing test footage and details, however, we’re told that the Hornet will carry ‘a 755cc Parallel-Twin 8-valve Unicam engine with a 270° crank.’(via Motorcycle.com). That means ...

Contrails aren't necessarily cloud-like streaks of gas, rather tiny ice crystals. Contrails typically form between altitudes of 32,000 feet and 42,000 feet, most commonly known as cruising altitude.

It would be easy to assume that the commercial aviation industry’s fuel consumption was its biggest impact on the environment. For example, a Boeing 737-800 burns about 5,000 pounds of fuel an ...