While lawmakers mull national and state proposals tosuspend gas tax collections, aimed at giving drivers a break from high pump prices, a March 22 study said drivers don’t see all the intended savings when taxes on gasoline go down. The American Road & Transportation Builders Association’sstudy, released Tuesday, used New Jersey’s recent gas tax decrease as one of its test cases. It had examined 177 changes in gasoline tax rates that took place in 34 states between 2013 and 2021. A petroleum expert also warned that gas tax holidays might have an unintended consequence in some states by encoura…