2013 Mercedes-Benz GL550 & 2014 Toyota Tundra

In this episode, we see if big luxury will mean big sales for the Mercedes-Benz GL. We'll see if the Toyota Tundra is finally ready to take on the big boys. This week we head to Los Angeles, California, where the city's "Clean-Fuel Policy" prompted the Public Works Department to convert its fleet of diesel-powered solid waste collection vehicles to alternative fuels.