By Lindsey Irwin, Craig A. Johnson, Jerry W. Kram, Susanne Retka Schill, Michael Shirek, Bryan Sims, Jan Tellmann and Dave Nilles
By Nicholas Zeman
On the heavily traveled Great Lakes, biodiesel innovations by the Great Lakes Environmental Research Laboratory are helping the big ships and their operators to be better environmental stewards.
By Anduin Kirkbride McElroy
Sure, biodiesel is made from renewable feedstocks, but is it sustainable? That question has led many to take a closer look at harnessing the benefits of biodiesel without creating unintended adverse effects, and it's spurred the formation of a group called the Sustainable Biodiesel Alliance. Standards and certification of sustainability may soon be on the way.
By Ron Kotrba
Gas stations aren't typically venues for Earth Day activities. That didn't stop SeQuential Biofuels from holding an Earth Day celebration at its Eugene, Ore.-based sustainable retail gas station-the uniqueness of which is hopefully fleeting.