Chihuahua Engine is a 727,000-square-foot (67,500 m2) engine factory in Chihuahua City, Mexico, owned by Ford Motor Company. The plant opened in 1983, encompasses 247 acres, and as of 2010 employs 1,264 workers. In the past it built Ford Penta and Zetec engines but currently builds the 1.5 L EcoBoost 'Dragon' engine, as well as the 2.0 L, 2.0 L HEV, 2.5 L and 2.5 L HEV versions of the Duratec I4. In 2010, the factory added capacity and began building the 6.7 L Power Stroke Diesel used in Ford Super Duty trucks and the 4.4 L diesel V8 for the Land Rover.