Toyota Mirai billboards scrub nitrogen oxides while touting hydrogen fuel-cell sedan

Toyota Mirai emissions-scrubbing billboardIf green cars can reduce emissions, why shouldn't their advertising do the same? That's the theory behind a series of billboards in relevant California markets that advertise the Toyota Mirai hydrogen fuel-cell sedan. But these billboards will do more than try to attract the eyes of potential customers stuck in traffic on the highways below their...