By KELLY BARTLING Paul Twigg’s spring garden is a thing of beauty: Beautiful black dirt is powdery yet flat and even, awaiting his pointy hoe – perfectly straight rows carved at a uniform depth. While his neighbors look on – fat cows sloshing in the mud from the pasture across the fence, Twigg dribbles little handfuls of fertilizer, then, small handfuls of seeds, bending from the waist with long arms carrying precious bits into the rows beneath him. Kohlrabi, carrots, … [Read more...] about Plants to Fuel: Paul Twigg in Race to Find Next Big Biofuels Discovery