It's a very simple messaging fix: Current messaging: "You emitted more CO2 than X% of other BMW [insert model name here] drivers." Better messaging: "You emit

It's a very simple messaging fix: Current messaging: "You emitted more CO2 than X% of other BMW [insert model name here] drivers." Better messaging: "You emitted less CO2 than X% of other BMW [insert model name here] drivers." Now you turn the competition factor on its head.