Every year, governments around the world pay out more than $500 billion to support oil, gas and coal production. Do they really need those subsidies, and aren't we trying to fight global warming by phasing out those fuels?
Stephanie lost the tip of a sparkplug and she's worried it fell into her engine. She's wondering how much damage this will do. Tom and Ray say she should find a mechanic with a boroscope. Find out what the heck that is, and why it will help Stephanie, right here.