Can Clean Energy Fuels Corp. Be a Hot Stock Again?
Clean Energy Fuels Corp. has been up and down over the past few years, so what will it take to get back on track?
Natural Gas Prices Are Falling, and So Are Chesapeake Energy, Ultra Petroleum, and Westport Innovati
Chesapeake Energy and Ultra Petroleum are down as natural gas prices fall, and so are shares of Westport Innovations. What should investors do?
Westport Innovations is up 35% Since Earnings: Buy, Sell, or Hold?
Westport Innovations has climbed 35% since a strong earnings report in May. Should investors buy, sell, or hold? What about competitor and partner Cummins?
Is Cummins Inc. Destined for Greatness?
Let's see what the numbers say about Cummins.
Leadership Changes at Westport Innovations Are Building a Profitable Future
Westport Innovations' losses finally started to slow this past quarter, largely driven by a change in focus from product development to commercialization. With sales of the co-developed Cummins Westport ISX12 G ramping up, the future looks bright.
3 Stocks to Get on Your Watchlist
A stealthy alternative energy play, a company you may want to roll the dice on, and a possibly overvalued takeover target in the biotech sector are this week's must-watch stocks.
Is Clean Energy Fuels Corp. Destined for Greatness?
Let's see what the numbers say about Clean Energy Fuels.
Cummins-Westport President Announces New Product Will Make the 9-Liter Engine More Profitable
The president of Cummins and Westport Innovations' joint venture, CWI, talks about the progress made in the industry and how fleet adoption is ramping up.
Will Your Next Car Run on Natural Gas?
Clean Energy Fuels CEO Andrew Littlefair and the Fool's Jason Hall talk about how Ford, Delphi, and Westport Innovations are helping bring new natural gas vehicles to the market.
Could This Natural Gas Alternative Change the Game for Cummins and Westport Innovations?
Volvo's work on dimethyl ether as a fuel to replace diesel could have some positive effects in advancing natural gas vehicles in the heavy trucking segment, but could it harm investors in Cummins or Westport Innovations?