In the sea of criticism of profit-obsessed business school graduates, Jim Poss appears to be an anomaly. In 2003, Poss was watching a trash vehicle on a Boston street. The truck was idling, blocking traffic, and smoke was pouring out of the exhaust. There has to be a better way, Poss thought to himself. He took the problem back to his team at Seahorse Power Co., a company that was identifying inno...