Going to the ballpark, whether its a football field or a baseball diamond, fans are used to seeing plenty of green grass (well, unless you’re a Boise State fan!). But more and more teams are also going green when it comes to the fuel they use in those stadiums. The National Biodiesel Board has this story about how biodiesel is making the team with many professional sports: Cincinnati Reds outfielder Chris Dickerson is one of the founders of We Play Green . The group works to unite athle