Save petrol with Honda's colour-changing speedo

Honda's hydrogen-fuelled FCX Clarity could get Ecological Drive Assist, too
Honda's hydrogen-fuelled FCX Clarity could get Ecological Drive Assist, too

Honda's new Insight car will be the first to use its new Ecological Drive Assist System, trio of technologies designed to improve the hybrid's mileage even further.

The most interesting is probably a colour-changing speedometer that provides real-time guidance on fuel-efficient driving.

Mark Harris is Senior Research Director at Gartner.