The New York Post has uncovered one of the Biden Administration’s most stunning green disasters: after spending more than $3 billion in taxpayer money to “electrify” the Postal Service, the USPS has managed to put just 612 electric mail trucks on the road. That’s not a typo. Three billion dollars. Six hundred twelve vehicles. The Post summed it up bluntly: “The US Postal Service has spent more than $3 billion in tax dollars on a brand-new all-electric fleet of mail trucks — and gotten just 612 vehicles for its money.” The rest of the fleet? A mess. More than 6,700…