Over the last four decades, driving has steadily lost the fuel-efficiency edge it once held over flying.
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.
The Wisconsin Libertarian Party endorsed a clean energy group’s proposal to let customers lease solar panels.
The new business model would give utilities incentive to invest in energy efficiency.
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