Hennessey’s 600-hp Lincoln Navigator has arrived

This past March, Hennessey Performance Engineering announced HPE500 and HPE600 packages for the 2018 Lincoln Navigator. As of September, HPE has built the first modified luxo-barge. The HPE600 package, as it implies, ups the horsepower from 450 to 600. The package runs $19,950 and the buyer must supply the Navigator or an Expedition Platinum…

A $75,000 kit will turn a Porsche 911, Cayman, or Boxster into a hybrid

Porsche doesn’t build a 911, Cayman, or Boxster with hybrid power, but a company by the name of Vonnen Performance will change that. Vonnen is an offshoot of Porsche suspension specialist Elephant Racing, and Road and Track recently spoke with the company to learn more about its upcomming aftermarket hybrid system. The hybrid system works …