Canadian crude oil has different characteristics from Venezuelan ... use the blend because he will be getting some of the coal tar benefits." Vance says his company tells contractors exactly ...

Tar sands oil — even the name sounds bad. And it is bad. In fact, oil from tar sands is one of the most destructive, carbon-intensive and toxic fuels on the planet. Producing it releases three times ...

It’s now even more climate-heating than the notorious Canada tar sands oil refined in California ... It also finds that the increasing carbon intensity of California oil is helping cancel out climate ...