Green Air Online reports that Seattle-Tacoma Airport (Sea-Tac) has launched a “$31 million project to provide nearly 600 electric charging stations for ground support equipment (GSE) such as baggage tugs, bag ramps and pushback vehicles.” Besides saving “around $2.8 million in airline fuel costs,” the conversion will reduce greenhouse gas emissions around 10,000 tons per year. Alaska Airlines will swap 204 fossil-fuel burning GSEs to electric and its partner Horizon Airlines will trade in 58. More airlines are going to join the program later this year. Federal grants and funding from the U. S. Department of Energy (DOE) and the Federal Aviation Administration (FAA) sweeten the transition for participants. “This project provides the infrastructure for airlines to convert their vehicles from diesel to electric in Sea-Tac’s effort to become the first major airport in the US to provide charging stations at all gates,” said Courtney Gregoire, Co-President of the Port of Seattle Commission. “As many as 650 vehicles could eventually …