And it truly is madness. Fossil diesel – when burned in an internal combustion engine – produces much less toxic particulate matter than ethanol. Particulates from ethanol form potent toxins such as dioxin and we already know that diesel particulate filters are not as good as the carmakers want to make us believe. Fossil diesel is the healthier choice.
The mainstay of the Renewable Fuel Standard is an unmistakable social and environmental failure. Why does it persist?