This marks the third purchase order for hybrid buses, bringing the total to 30 hybrid ... but we just figured that it’s not going to be smart or sustainable 15 years from now to have 50 buses ...

Now Smart is making a change. The brand is adding a plug-in hybrid driveline to its #5 SUV, a response to slowing sales in China, the brand's largest market, and to market changes around the world.

The 2004 decision by the city of Elk Grove to purchase refurbished buses with gasoline/electric hybrid drivetrains from ISE and Complete Coach Works sure hasn't panned out as well as had been hoped.

Volvo Buses has chosen to develop a parallel hybrid where all components are Volvo components. The bus has a smaller, 5-liter diesel engine and as a result, the entire driveline fits in the same ...