The Beer That Takes You Back . . . Millions of Years: "The result is Fossil Fuels Brewing Co., which ferments a yeast strain Cano found in a piece of Burmese amber dating from about 25 million to 45 million years ago. The company -- in which Cano is a partner, along with another scientist and a lawyer -- introduced its pale ale and German wheat beer with a party last month at one of the two Bay Area pubs where Fossil Fuels is made and served.
It's been on tap for two years at Stumptown in Guerneville, Calif."