Customers seek 100-percent-renewable grids [News]

In June, energy experts were clashing in both tweets and peer-reviewed journals over the feasibility of the United States achieving a 100-percent-renewable power grid in 2050. Many governments, utilities, and big consumers, however, appear unwilling to wait for the engineers' all clear: An increasing number of jurisdictions and institutions are setting deadlines for a jump to a 100- percent-renewable electricity grid or even beyond, to fossil- fuel-free heating and roadways as well.