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This column was originally published on RealMoney on Aug. 30 at 9:18 a.m. EDT. It's being republished as a bonus for readers.

A frightening number of companies that I would never consider, ever, as investments are now on my radar screen. I couldn't believe the possibilities for

Capstone Turbine


if oil stays up here. I considered, although stayed on the fence, about



. I just looked through




Distributed Energy Systems

(DESC) - Get Xtrackers Russell 2000 Comprehensive Factor ETF Report

. I found myself

last night praising

Evergreen Solar

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TheStreet Recommends

( ESLR) for its potential in Europe, even as I remain skeptical about U.S. solar prospects.

And every day that I do it, I feel guilty about this focus. I feel guilty because for years I have laughed at these companies, just dismissed them out of hand because they almost all needed some big government bailout to work. Very few of these companies had any business with oil below $30.

But above $60, heck, two stones being rubbed against each other could make money. I am looking at everything

from cooking oil to corn, from solar to wind, from bizarre formulations that make oil to coal-bed methane.

How can you not?

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I don't want to let my guard down here. I know that many of these companies will go right back to being shells and jokes if oil retreats and natural gas collapses. But to make that bet now is to be a Pollyanna, and I know that Pollyannas get fleeced in this game.


send 'em to me

to look at. You have to open your eyes to a lot of stuff that seemed illegitimate a year ago with oil where it is. Open your eyes before others do, and you will make a lot of money.

Please note that due to factors including low market capitalization and/or insufficient public float, we consider Capstone Turbine, Rentech and Distributed Energy Systems to be small-cap stocks. You should be aware that such stocks are subject to more risk than stocks of larger companies, including greater volatility, lower liquidity and less publicly available information, and that postings such as this one can have an effect on their stock prices.

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