Despite the complexity of the modern engine, the fundamentals haven't changed since Grover Cleveland was in office. Pistons turn a crankshaft that eventually spins your car's wheels. Yawn.

The piston is called "free" because there is no crankshaft. On its power stroke, ... Toyota's demo engine, just 8 inches around and 2 feet long, was able to generate 15 hp.

TORRANCE, Calif. — Toyota’s American branch announced Wednesday that it is recalling approximately 283,200 Toyota and 137,000 Lexus vehicles to replace a possible faulty crankshaft pull… ...

The crankshaft pulley that runs the accessory belt is held with only on bolt. But that is probably the hardest one to remove. This happens because this bolt is very well tighten and when you’ll ...

Toyota is recalling approximately 102,000 vehicles for potential engine failure, with the recall affecting both the Toyota Tundra and Lexus LX from the 2022 and 2023 model years.

Toyota is hot on hydrogen fuel cells for its next-generation cars, but it’s not going cold on internal combustion just yet. The company’s R&D division has developed a Free Piston Engine Linear ...