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Shale was the hot energy topic in 2011, but the fastest growth area may surprise you.
This Just In: More Upgrades and Downgrades
JMP Securities makes a bet on the new energy world order.
Our Top 5 Energy Stocks For 2012: Ultra Petroleum
Among the most compelling energy picks for 2012, none can oust the king of natural gas.
Buffett Makes Second Solar Investment in a Month
Warren Buffett is one of the world's most renowned investors -- where he sees value, others follow.
Analysts are unanimously bullish, but do you agree with these Wall Street darlings?
A Look Back at Clean Energy Fuels in 2011
This year was marked by progress in the natural-gas fueling market.
3 Big Predictions for Next Year
One Fool looks into his magic crystal eight ball.
Every Energy Investor Needs This Company in 2012
Westport Innovation is leading the nat gas revolution toward practicality.
A Great Year for Westport Innovations
Let's look back at how the year went for this company.
7 Stocks to Energize Your Portfolio
Now is the time to diversify your portfolio with energy stocks.