Instead of bigger engines and louder exhausts, the new battleground is compact machines spinning at speeds that would shred ...

Or, you can just run the engine really, really fast, cranking the RPMs up and bumping the power output simply by pushing the ...

Internal-combustion engines are making impressive strides in rotational speed. The Lamborghini Temerario has a 4.0-liter twin ...

In recent years, there has been a resurgence in popularity of .257-caliber cartridges, and the newest offering is the 25 ...

The 25 Creedmoor and the 25 Weatherby RPM are designed to maximize performance with modern bullets that exhibit very high ...