Most diesel truck owners pride themselves on the fact that their vehicle can tow and haul anything and everything they want yet still achieve 15 to 20 mpg on the highway. While that's true, we're here ...

This isn't the first time Super Chevy magazine has examined and installed a Gear Vendors under/overdrive gear-splitting unit. However, it's been a few years since the last install article. With ...

Since the health of our planet became a major societal focus decades ago, automotive engineers have been on a mission to find a balance between performance and efficiency. In the past, the two ...

If you’re fond of spec’ing high-torque engines combined with direct-drive transmissions and fast axle ratios, you’re likely looking for fuel-economy gains. Compared to medium-power engines with ...