A turbocharger (“turbo” for short) is an air compressor driven by the engine’s exhaust gas flow. A turbocharger has…

A lithium-metal battery is any battery with metallic lithium (Li) as the anode (negative pole) material. Lithium-metal batteries have a…

In vehicles, a transmission is a device that helps apply the engine’s rotational force to the drive wheels. A transmission…

Transit refers to public transportation systems such as buses, subways, light rail, and trains. Also known as public transit or…

Torque measures the turning or twisting force of a running engine or motor. We measure torque in pound-foot (lb-ft) increments in the United States, while most of the world measures it in Newton-meters (Nm). A lb-ft of torque is the turning force felt when one pound is placed at the end of a one-foot-long lever.

SAE is the Society of Automotive Engineers, which is an organization for transportation industry technical professionals. Now known as “SAE…