Mercedes' electric delivery van concept cleans the surrounding air

Mercedes is using the impending COP26 climate conference to highlight its EV efforts -- and show how sustainability can involve more than a switch to battery power. The newly unveiled Sustaineer delivery van concept is fully electric, as you'd guess, but it also improves the environment around it. Fine particulate filters on the front and underbody purify the air around the van no matter what its speed. It even uses cast iron, ceramic-coated disc brakes that both reduce the amount of dust in the...