Even good cars only give the driver two speeds to monitor: engine speed and vehicle speed. And while it’s the engine that ultimately does the work to turn the wheels and move a vehicle, a lot goes on ...

Few are privy to German boutique automaker Wiesmann, but hardcore enthusiasts know the gecko Wiesmann logo for cars that stick to the road like nobody's business. Born out of a passion for building a ...

Modern diesel engines perform exceptionally well at 1,100 to 1,200 rpm. They deliver peak torque just a few hundred rpm above idle, and peak horsepower somewhere around 1,500 or 1,600 rpm. But what ...