For the fifth year in a row, Mazda is the most fuel-efficient automaker in the U.S.

That’s according to the Light Duty Fuel Economy Trends Report, released by the U.S. Environmental Protection Agency (EPA). The report lists Mazda as having the highest overall Manufacturer Adjusted Fuel Economy for the 2016 model year at 29.6 mpg, improving 0.4 mpg over the previous year. The Manufacturer Adjusted Fuel Economy is the average fuel economy of all vehicles sold by an automaker over a one-year period. The EPA uses adjusted combined city and highway fuel economy figures for each model by model year, and the average is weighted for sales volume for the report.

What makes this particularly interesting is that Mazda doesn’t have any hybrids in its lineup. Nor does it have any trucks, which helps its overall average greatly.

For the cars it sells, the Japanese automaker focuses on its SkyActiv technologies to improve fuel economy while maintaining performance. Mazda is, however, working on electrification and plans to have most of its lineup electrified by 2035.