For most of automotive history, horsepower numbers have increased in increments, thanks to a sharper camshaft here, or a bigger carburetor there. The supercar era of the 1980s and 1990s saw ...

The next Pebble Beach Concours may be one of the fastest ever. The first car to go over 200 mph will roar onto the grass of the 18th green—at a much slower speed—this August when the Sunbeam 1000 HP ...