So, how exactly does one measure torque and horsepower? Well, engineers use a device called a dynamometer, of which there are a couple of types. This dynamometer, called a chassis dynamometer ...

The dyno results will be averaged with the on-track ... The on-track testing portions of the Automotive X-Prize are over with, and the vast majority of teams have been eliminated from contention.

It's not every day you see a seven-figure vintage grand prix racer have its power measured, but we wish it happened more often.

This dynamometer car was built in the same year that TITANIC sank.This vehicle was built by the Lancashire and Yorkshire Railway Company in 1912 to test the performance of their steam locomotives ...