Energy

Colorado shuts down oil company K.P. Kauffman’s wells after it falls short on cleanup plan

Xcel Energy outlines plan to lower Colorado gas bills amid public outcry over high prices

It looks like the Suncor shutdown is driving up gas prices

Two Suncor employees were burned in a flash fire at the Commerce City refinery. That incident and others are raising questions about worker safety

Benzene pollution could be another consequence of recent malfunctions at Suncor Energy

The Suncor shutdown hasn’t led to big spikes in Colorado fuel prices or air pollution — yet

Like restoring classic cars? Try converting it into an EV

The year in photos

Colorado energy utilities say this time, they’re ready for the sub-zero cold snap

Why Colorado approved an ozone plan it doesn’t expect to work

Here’s why your Xcel Energy bill is so high right now — and what you can do about it

Regulators set heavy restrictions for new natural gas lines, but stop short of eliminating subsidies

Colorado’s updated EV plan boosts incentives but avoids California-style ban on gas vehicles

Xcel customers may be on the hook for $123 million after coal shipments come up short

Colorado wants to get more e-bikes into low-income communities — and it’ll pay organizations with ideas for how