renewable natural gas
Iowa researchers see wasted potential in agricultural biofuels
The team hopes to make anaerobic digestion more efficient and profitable for farmers who convert manure to natural gas.
News
Pipelines, politics, and wood pellets: a look at our most-read stories of 2019
We published hundreds of stories this year on the nation’s clean energy transition. Thanks for reading!
renewable natural gas
Analysis: Why utilities aren’t doing more with renewable natural gas
Federal and state incentives steer RNG toward transportation, creating a barrier for utilities hoping to promote it.
biogas
Smithfield hog biogas ambitions ‘a big step forward’ on climate action
Smithfield, the world’s largest pork producer, says its venture is driven not by growing legal pressure, but by a commitment to reduce its climate footprint.
biogas
From pigs to prairie grass: Missouri company seeks new biogas feedstock
A St. Louis entrepreneur has partnered with an agriculture giant on an experiment that could produce carbon negative renewable biogas.