Summer-blend gas provides about 1.7 percent increased energy content, meaning it offers a slight boost in fuel economy. Here’s how else it’s different.
Adding a diesel coolant additive, or supplemental coolant additive (SCA), midway through the service interval is easy to overlook and fraught with problems. Here’s a better way.
One horsepower equals 33,000 ft·lbf/min (about 745 watts). We explain what it all means – and its connection to the London beer-making industry – here.
