Wait, you said
10% of the total pollution.
[goes back to look]
Yes, that is what you said...
Your bike smells to you because you're sitting on top of the exhaust. Your car's exhaust doesn't pump into the cabin. So, of COURSE you don't smell it. Not a very scientific response, Mike.
This was a point of interest in my Environmental Science class today. My professor owns a consulting firm and is an expert when it comes to this topic. The numbers here seem off to him
Now that we've all gone around and around - what exactly is the point of all this? Trying to point out there SHOULD be catalytic converters on motorcycles and they should be left on? Testing? Who's money are we spending now?