Even if producing CO2 was good for the environment, given that we're going to run out of hydrocarbons, we need to find some sustainable means of operating.
I think that's the single best piece of advice: constantly think about how you could be doing things better and questioning yourself.
If something's important enough, you should try. Even if you - the probable outcome is failure.
Any product that needs a manual to work is broken.
Biofuels such as ethanol require enormous amounts of cropland and end up displacing either food crops or natural wilderness, neither of which is good.
The path to the CEO's office should not be through the CFO's office, and it should not be through the marketing department. It needs to be through engineering and design.