Brian Cooley explains the sometimes tricky relationship between the two ways your engine's power is measured.
This year's Geneva auto show went to the stratosphere as a collection of the world's most exclusive cars, but also gave us two extreme hatchbacks, the Honda Civic Type R and the Ford Focus RS.
Bentley showed off its Grand Convertible concept at the Los Angeles Auto Show, a massive open-top take on its Mulsanne model.
Lambo wants in on the new wave of hybrid supercars, so it's brought the 910-horsepower Asterion concept to the 2014 Paris Motor Show.
Honda's CR-Z hybrid gets an aftermarket performance overhaul by the automaker's HPD division. We take a look at the upgrades on the track at Mazda Raceway Laguna Seca.
Halfway through the all-new Formula E season, an international race of electric cars, and the stakes feel just as high as in a Formula 1 race, but these cars represent the future.
We know a lot about Cadillac's new CT6 model, including its driveline and some cabin tech features, but what it looks like will remain a mystery until its New York unveiling next week.
With 1,500 horsepower from its V-8 engine and three electric motors, the Koenigsegg Regera, revealed at the 2015 Geneva auto show, is the most powerful plug-in hybrid production car.
The Solar Impulse 2 takes off from Abu Dhabi on the first leg of an attempted 20,000-mile circumnavigation of the globe -- an unprecedented journey for a sun-powered craft.
The Targaryens may have felt a throne made of swords was appropriate, but Mercedes-Maybach aims for pure comfort and serenity with the Pullman model, designed for heads of state and monarchs.