Achieving 40 miles per gallon by the government’s metrics has become an important benchmark of fuel economy. Gas-electric hybrids such as the Toyota Prius have been surpassing that mark for many years, but traditional internal-combustion engines have recently made big strides in efficiency, and a good number of conventional, nonhybrid cars now clear that bar, too. We rounded up the 20 nonhybrid cars from the 2016 and 2017 model years that hit—or beat—the magic 4-0 in the EPA’s highway testing
More...