What is expected to be the nation's largest dairy biogas operation opened in the Central Valley. To the north, Gov. Kate Brown signed the nation's first bill to establish goals to add renewable gas to pipelines, and pigs in Missouri also made news.
For the first time, electricity generated from burning natural gas will surpass coal, largely due to fracking of shale. While that means that carbon dioxide emissions will continue to drop, it also means that methane emissions will increase.