
| | | | Diesels Come Clean: Scientific American (Unabridged) Author: Steven Ashley, Scientific American Format: Audio Download Audio Length: 25 min. Rating:  Price: $1.95 
Publisher's Summary: Energy-efficient diesel engines are nearly as green as hybrids, thanks to improved technology, exhaust scrubbers, and a new fuel. This article from the March 2007 edition of Scientific American explains. |