Robert Zimmerman

U.S. and Canadian companies see the Asian natural gas market as a lucrative prize. Looks like the Americans just might win the race for first exports and the advantages that come with it.

Growth in U.S. natural gas and natural gas liquids production has created growth in pipeline and other takeaway services. This, in turn, has created opportunities for investors. Here are three examples.

Shares of Enerplus have performed well over the past year. Here are three reasons why the stock should continue to do well.

Discovering a new, large oil or gas field can electrify a stock. That doesn't mean old, established fields can't make money for investors. Below are three companies taking different approaches to managing mature energy assets. Each deserves a look.

The EIA forecasts slow growth of natural gas as a vehicle fuel until 2030. Clean Energy Fuels and Westport Innovations reported more losses for 2013. Are these companies healthy enough to hang on?

U.S. oil production is slated to peak by around 2020. In contrast, natural gas production should continue climbing until 2040. The price of natural gas will likely also climb from current low levels. Today, crude oil is more profitable than natural gas. In the long run, will natural gas be the investment of choice?

Retirement income needs to be predictable. Ideally, it will also grow over time. Here are three US energy companies offering steady income for retirement accounts.

Hi-Crush Partners and US Silica provide proppants to the growing hydraulic fracturing business. Is one better than the other?

Diamondback Energy produces oil from the Permian Basin of Texas. Its stock has risen 200% over the past year. Here's what the company is doing and how it differs from two similar competitors.

The U.S. has seen a significant increase of oil and other petroleum products shipped by barge. Here are three companies that should benefit from this trend.

The allure of clean cheap natural gas as a vehicle fuel drives customers to Westport Innovations' products. However, Westport faces threats from competitors and collaborators alike. Here are three threats that could thwart Westport Innovations' quest for profitability.

The stock market started off the year by giving back some of the gains from 2013. Some companies have withstood the selling better than others however...

While Westport Innovations may pay off in time as an investment, I think Power Solutions International is a better play for those seeking exposure to the natural gas engine market.

General Electric is investing serious money in natural gas-related products. Power Solutions International has been doing that for 20 years. Can Power Solutions' experience compete against a giant like GE?

Natural gas shows great promise as a vehicle fuel, and Westport offers a variety of products and services in this space. Here are three particular strengths the company enjoys.

Momentum seems to be building for using natural gas as vehicle fuel. Here are three companies focusing on different aspects of that market.

Some things won't change much from 2013 to 2014. With that in mind, here are three predictions for the U.S. energy market and four investment suggestions.

U.S. refuse haulers can realize significant fuel savings by converting their vehicle fleets to natural gas. And convert they have over recent years. Despite this, Clean Energy Fuels still reports losses. The trash truck business is nice, but it may not be enough to make Clean Energy profitable.

The U.S. energy boom offers retirees a variety of income opportunities. Here are three to consider.

Surveys of American retirement savings paint a grim picture: Americans aren't saving enough for retirement by a long shot. Here are three U.S. energy companies that can help boost your retirement nest egg.