Pdc has been very active in the alternative energy sector. We have focused on supplying compression systems and also integrated hydrogen fueling stations for vehicles and buses. To date, we have supplied over 110 stations. Pdc also supplies compressors for biomass and bio fuels research as well. We have partnered with many key players in the alternative energy sector. To learn more about Pdc we invite you to visit our web site http://www.pdcmachines.com