Is corn ethanol a hype?

Is corn ethanol all hype and no substance? The issue has gained a lot of interest with some saying it is more trouble than it is worth as an energy source and others believing it is an option. We all remember the "dot-com bubble" was a speculative bubble covering roughly 1997–2001 during which time stock markets in Western nations saw their value increase rapidly from growth in the new Internet sector and related fields. Is the ethanol bubble about the burst? Now there