Cummins, Valvoline Premium Blue extend oil drain intervals by 10,000 miles

The two Purkey’s solar-energy-powered products are the Solar Bolt and Solar Dash:-

The Solar Bolt is a supplemental liftgate charging system that uses solar energy to help keep liftgate and auxiliary batteries charged.The Solar Dash is a solar-powered battery charger that was created to sit on the dashboard of a vehicle to help counter parasitic loads-especially useful when vehicles are parked for extended periods of time.
The results were proven through extensive collaborative development efforts, covering millions of miles of real-world truck testing, the company explained. In an analysis of cost savings potential.

Cummins, Valvoline Premium Blue extend oil drain intervals by 10,000 miles