Dan Haugen

Dan Haugen is a freelance journalist who writes about energy, business, and technology.

Climate & Energy

Planes’ gains & automobiles: Air travel outpaces driving in fuel efficiency

Over the last four decades, driving has steadily lost the fuel-efficiency edge it once held over flying.

Climate & Energy

Swedish co-op creates a stake for women in wind industry

Once dismissed as "sewing circle," a women-only co-op has grown to 80 members and has invested more than $1.5 million in wind projects.

Climate & Energy

In unlikely alliance, Wisconsin libertarians back solar plan

The Wisconsin Libertarian Party endorsed a clean energy group’s proposal to let customers lease solar panels.

Climate & Energy

Could utilities’ future be selling light instead of electrons?

The new business model would give utilities incentive to invest in energy efficiency.