There is significant effort (and progress) in standardizing and contrasting test methods [1]. This usually constitues a good first step in a market of lemons. [

There is significant effort (and progress) in standardizing and contrasting test methods [1]. This usually constitues a good first step in a market of lemons. [1] http://energy.gov/sites/prod/files/2014/09/f18/es_cunningham_2014_p.pdf http://energy.gov/sites/prod/files/2014/09/f18/es_cunningham...