Sam,
Why aren't the City vehicles that utilize diesel fuel, burning biodiesel, as well as the Tri-met buses?
http://www.greencarcongress.com/2006/04/cincinnati_metr.html#more
re: How would you improve Portland?
Sam,
Why aren't the City vehicles that utilize diesel fuel, burning biodiesel, as well as the Tri-met buses?
http://www.greencarcongress.com/2006/04/cincinnati_metr.html#more