New draft corporate average fuel efficiency, or CAFE, norms propose a revised method for calculating fuel consumption and introduce carve-outs for smaller cars.

CFD, or Computational Fluid Dynamics, is the use of computer simulations to predict how fluids like air or coolant move around and through objects. In car design, "fluid" mostly means airflow. It's ...

Fuel efficiency is of extreme importance to NASCAR. The correct or incorrect idea of it can make or break a driver's season, and a team's success story. A perfectly measured fuel capacity can take a ...

For a rare few tuned car owners out there, superchargers act as an X factor, giving them a significant amount of thrust and raw power when the need arises. Whether on a track or zooming down the ...

efficiency, most people immediately consider the engine, the tires, or the aerodynamics of the car. However, brakes also play a surprisingly important role in improving fuel consumption. While ...