ANNA, OH—Honda Motor Co. will invest $340 million to build fuel-efficient, gasoline engines here. The turbo-charged, four-cylinder gasoline engines are expected to debut later this year.

RUSSELLS POINT, OH—Just six months after installing two wind turbines at its assembly plant here, Honda Transmission Manufacturing of America Inc. has reported that the machines are producing more electrical power than was anticipated. The turbines have exceeded the projected power output figures by 6.3 percent.

GREENSBORO, NC—Honda Aircraft Co. has revealed the first production HondaJet. The aircraft is now ready for ground tests.