Called the ARX-04b, it's Honda's first closed-cockpit LMP2. Like previous LMP2 and IndyCar projects, it's a joint development between HPD and Wirth Research, and packs Honda's HR28TT engine – a ...

A series of technical setbacks have forced Honda to withdrawn its new HPD ARX-04b LMP2 prototype from racing to the clouds at Pikes Peak this weekend. Things don't always go as planned ...