The scandal that has undermined Germany's Volkswagen in the United States spread to its core market of Europe on Tuesday, after the company admitted that eleven million of its diesel cars worldwide were equipped with software that was used to cheat on emissions tests in the US.
The United States Environmental Protection Agency's new regulations aimed at reducing carbon emissions by 30% will no doubt lead to a cleaner economy. But the road there will be paved with methane. By requiring reductions in the energy intensity per megawatt-hour of electricity generation, utilities will have the ability to choose from an array of options for how to meet the targets.