On 2014-08-14, Iain M Conochie <iain@thargoid.co.uk> wrote: > Yet this is exactly what my 2 year old car does now. I halt at the > lights and the engine powers off. Is this a bug? Depends. > Given enough usage, a bug can become a feature. Some clever folks turn bugs into features, I reckon: http://www.usatoday.com/story/money/business/2014/07/23/stop-start-engines-fuel-savings-aaa/13053447/