http://www.slate.com/articles/health_and_science/climate_desk/2015/06/european_oil_companies_endorse_price_on_carbon_emissions_carbon_tax_or_cap.html

Oil companies are pretty much the last ally you’d think of when it comes to advancing big-picture solutions to climate change. These are the companies, after all, whose product is responsible for causing a significant amount of climate change in the first place—and pretty much every proposed fix for global warming necessarily involves burning less oil.