Enersystems, Joe Manchin's family coal company, has contracts with the only power plant in West Virginia that burns coal from reclaimed mine projects.
The climate czar sold his fossil fuel stocks on March 11, collecting as much as $825,000 from them.
After signing the pledge on March 5, Carter violated it by taking at least nine large donations from fossil fuel interests.
Carter has not responded to inquiries from Sludge or the No Fossil Fuel Money pledge and risks having his name removed from the pledge website.
As the city tries to wean itself off gas, municipally-owned Philadelphia Gas Works is siding with the gas industry against policies that would encourage the use of more energy efficient appliances.
In the race to replace oil and gas ally Cedric Richmond, the leading candidates have their own histories with the industry.
Sen. Dan Sullivan (R-Alaska) has up to $5 million invested in a family business that makes petroleum-derived products, some of which it sells to the fossil fuels industry.
A review of public records suggests the Newsom administration's actions may have been inappropriately influenced by his lobbyist friend's firm.
American Workers for Progress, which spent big for Cuellar, was funded by an oil and gas industry lobbying group.
Mainstream environmental groups rally around the former BlackRock executive, while more left-leaning groups remain skeptical.