If recent headlines are any indication, subtle change is afoot in the financial and automotive markets that could drastically alter our petroleum consumption habits. Big banks such as HSBC are acknowledging carbon risk just as auto manufacturers such as Toyota (NYSE:TM) and General Motors (NYSE:GM) begin to offer Americans new fuel alternatives to gasoline or diesel.

In this video, Fool.com contributor Aimee Duffy talks to Tyler Crowe about how financial forces may spark a shift in the way we think about and use oil, before government policy even gets the chance.

Fool contributors Aimee Duffy and Tyler Crowe have no position in any stocks mentioned. The Motley Fool recommends General Motors. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.