To Stay Relevant, a Spanish Energy Giant Turns to Waste | Repsol figures that there is still life in vehicle fuels as long as they can be portrayed as low carbon.

cross-posted from: slrpnk.net/post/12765855

The big issue not really addressed by the article is that there’s a fairly limited supply of waste biomass; scaling up to, say, 10% of current fossil fuel use means converting a large fraction of food crops into fuel