T he Ford F-150 is America’s favorite truck, a title it’s held for 48 years, and its favorite vehicle overall for 43 years.

Now, Ford is investing $500 million to hire 300 workers at its Lima Engine Plant in Lima, Ohio, to add production of the twin-turbo 2.7-liter EcoBoost V6 for the 2015 F-150. The latest investment ...

The same twin-turbo V6 engine is also available with a hybrid system in the Tundra Hybrid. The standard engine in the Ford ...