One of the keys to achieving the next step in commercializing renewable transportation fuels is to have a refining technology that can utilize a variety of biomass feedstocks. In the case of cellulosic ethanol, there are a lot of competing technologies out there, but not very many that can operate using virtually any cellulosic feedstock. [...]

Most of us have heard about the “Hydrogen Highway,” that mythical roadway which, along with bullet trains and bridges to nowhere, may actually get built someday at a staggering expense to the taxpayer (to be fair - we’re as hopeful as anyone the formidable technological barriers to using hydrogen as a transportation fuel are eventually overcome).  But [...]

If the present is problematic, that doesn’t mean the future has no potential.  We have railed against the catastrophe in progress throughout the tropics, as the last rainforests are razed to grow sugar cane and oil palms.  Over and over, we’ve reminded readers to beware of carbon taxes and carbon trading schemes, because European carbon [...]