Scotsman: ONE of the Scottish businesses planning to become a founder member of the “hydrogen hub” at the Methil Energy Park is St Andrews Fuel Cells. It has patented a spiral solid oxide fuel cell, which is more durable and offers more efficient electricity generation. Although its technology is still at prototype stage, the business employs six full-time staff and in 2007 attracted £1.5 million investment from renewable venture capitalist, Sigma Capital Group and government agency, the …