It’s Earth Day. Companies and agencies large and small use the occasion to announce green initiatives. Some of these are trivial greenwash, but some mark real progress in mainstreaming renewable energy. Here are a few of today’s winners:

Bright Automotive, an Indiana start-up with backing from the Rocky Mountain Institute, Alcoa, Google, Johnson Controls and the Turner Foundation, announced its Idea PHEV delivery van, meant to dramatically reduce the fuel use of large delivery fleets. [...]