Posts Tagged "Biodiesel “Environmental economics” “Green tradeoffs” “Clean TDI” Smugness"

Biodiesel, NOx and the value of environmental “prices”

VW's clean TDI technology could let biodiesel users avoid any increase in NOx emissions. This weekend I was checking out my friend Dave's new VW Jetta, emblazoned with biodiesel stickers, as he told me how switching to biodiesel had lowered his carbon emissions 80%. (Biodiesel is based on biogenic carbon -- the carbon emitted when you drive was absorbed by… read more →