In the words of the Republican party: NO.

Geez you people are lazy. Since this is an international energy issue, let's turn to... i dunno... the International Energy Agency?

http://www.iea.org/files/energy_subsidies.pdf

"The IEA analysis has revealed that fossil fuel consumption subsidies amounted to $557 bn in 2008."

Iraq's oil subsidy ALONE was $100 bn (from same summary paper).

I've been working on very well-known projects for many years, and the best advice I can give is to avoid shared mutable state.