https://apnews.com/43d28e9080bbbe6569d05dc1c34c71e8 > Four environmental groups that want the U.S. Postal Service to buy more electric delivery vehicles are suing to halt purchases of thousands of gas-powered trucks as the agency modernizes its mail delivery fleet. > The lawsuit, filed Thursday in federal court in California asks a judge to order the Postal Service to conduct a more thorough environmental review before moving forward with the next-generation delivery vehicle program.