It could use descriptions on the achievements for what unlocks what. You can't spend any money unless you blow up the refinery first, which seems... bleh, especially since that's not a given (I thought it was one of the first two money achievements to open the shop). Also, Kelvin isn't expressed in degrees, because it's absolute :P
Processing asphalt also seemed to not work, I had over 10kg each of naphtha and coke, but couldn't process it, and didn't feel like spending even more time fooling around trying to figure it out