Freedom Nissan

Good news used-car buyers! Nissan North America is going transparent. Specifically, the second-largest Japanese automaker will begin sharing information related to open safety and emissions recalls with Carfax. And not just for Nissan cars and trucks but Infiniti luxury models too.

Nissan is joining forces with Cummins, a major manufacturer of diesel engines in the U.S. to bring cutting-edge fuel-efficient technology to the half-ton pickup truck market. Specifically, the two companies, funded by the U.S. Department of Energy, are working to develop a ground-breaking 220-horsepower (hp), turbocharged 2.8-liter inline-four-cylinder diesel engine.

If the dynamic duo's engine goes according to plan...