The ultimate in fuel efficiency. The Mack HE Package combines our #MP8HE engine and a host of aerodynamic and fuel economy features to minimize drag, maximize profit, and increase fuel efficiency up to 9.5%. | Mack Trucks

591 reactions · 74 shares | Two drivers face off with the most fuel-efficient engine we've ever built. | Mack Trucks | Facebook

What powers NASCAR? 🏁 It's the relentless effort, determination, and power of Mack trucks. Our commitment and creativity guarantee we deliver every single time. Each piece of steel and innovation under the hood speaks to our heritage. Power to transport smoothly, securely, and effortlessly everywhere, every race. Power gets us ahead. Determination keeps us in the game. When the stands empty and silence returns, one thing remains: power, week in and week out. #PowerRunsRacing #TruckDriverAppreca

14K views · 664 reactions | We launched the original mDRIVE HD in...