It's a fact. Affluent, successful societies are "greener". From the NY Times:
I won't hold my breath waiting for an apology.
And it's not the role of government to subsidize "green" companies or any other industry. For one, the government is poor at allocating capital (see Solyndra). Moreover, when it does, taxpayers foot the bill and suffer the losses if the company does poorly or goes under. Yet, if the company does well, the taxpayer doesn't participate on the upside. That is, losses are borne by the public, while gains are privatized. In a capitalist economy, it's the role of the market to allocate capital. There's no shortage of capital for promising technologies.
Just who do you think did the research and design that made gas engines more efficient, as you mentioned in your post? It sure as hell wasn't the government. It was private enterprise.
Finally, you said, "step back into reality and look beyond what has been to what could be." Sounds like an Obama campaign slogan. What a pile of touchy-feely horse droppings! Hope and change, anyone?