Jay Leno and 'the fastest woman on four wheels' test drive the 2017 Bugatti Chiron

The Bugatti Chiron is a $2.9 million, 1,500 horsepower supercar that can go from zero to 249 mph in about 30 seconds, and Jay Leno was lucky enough to take the technological tour de force out for a spin. Joining him was Jessi Combs, aka the "Fastest Woman on Four Wheels.