Chevron Oil

March 24, 2013, 7am PDT
A two-year negotiating process has culminated with a set of 15 voluntary standards to make for more responsible fracking to safeguard the environment in Appalachia. Some environmental groups are skeptical, and not all energy companies are on board.
National Public Radio
October 4, 2011, 10am PDT
In a rather remarkable application of new, carbon-free renewable power to obtain additional oil from old wells, solar thermal technology involving mirrors placed above an oil field in Coalinga, CA will create steam to inject into the wells.
Reuters via Los Angeles Times - Business