Guardian: America’s oil, gas and coal industry has increased its lobbying budget by 50%, with key players spending $44.5m in the first three months of this year in an intense effort to cut off support for Barack Obama’s plan to build a clean energy economy. The spoiler campaign runs to hundreds of millions of dollars and involves industry front groups, lobbying firms, television, print and radio advertising, and donations to pivotal members of Congress. Its intention is to water down or kill …