If you live east of the Rocky Mountains, you've probably encountered switchgrass, perhaps without even realizing it. A hardy perennial, the roadside and prairie grass is as ubiquitous as it is unassuming.
You may get to know it better soon, though. Switchgrass has been lauded as a promising source of biofuels with multiple advantages over current favored options, including corn. Genetically modifying switchgrass could boost crop yields and its commercial viability.