After two years of deliberation, public comment and drafts, NJ Transit released its final sustainability plan late last month to mixed reviews from environmentalists, who say key details are missing. One question they raised had more to do with the political environment than the natural environment — namely, how the agency plans to fund priorities such as replacing diesel buses with electric ones and outfitting garages with the infrastructure to charge them. “It hits nothing and is missing everything,” said Bill Beren, NJ Sierra Club transportation chairperson, who said he had been reviewing d…