My state has recently expanded ethanol tax breaks to also cover biodiesel. The tax incentives include a 25% break for fuel retailers who invest in infrastructure for production and distribution of biofuels. My local Walmart has already taken advantage by switching to B20 only. I didn't notice the small decal stating the biodiesel content until I pumped about $10. It was just posted as diesel on the sign. The 3.5 page warning about the pitfalls of biodiesel in my 2014 CTD Owners Manual, Pages 9-59 to 9-62, has me convinced I will not use biodiesel if possible. Like ethanol, biodiesel does not protect the environment in any way. Special interest groups lobby for these laws so they can make an inferior product and shove it down the throats of consumers. I think that restaurants should dispose of grease in some useful way, just not through my nice new car.