[M.D. Holloway]

The cost to convert heavy crude to a usable product is very large. Most of the wells that are no longer producing light or medium crude still have loads of heavy that was never pumped out because it was to cost prohibitive - enter the bugs. The bugs eat the heavy stuff and fart methane which you and I can use to power vehicles, heat homes and if enough is available generate electricity.

Enter the tar sands - more crude there than any place but again it is a pain in the $$$ to process - enter the bugs. They eat the heavy crude found in the oil sand and proceed to fart out methan that we can go and burn as an energy source. Savvy?