Clean Energy Fuels (NASDAQ:CLNE) couldn't ask for a better client than UPS (NYSE:UPS). UPS has the nation's largest fleet of alternatively fueled vehicles and a transportation network ideally suited for natural gas fueling. So with Clean Energy Fuels inking a deal to be a bulk fuel supplier to UPS fleet fueling stations and an agreement to build three additional Clean Energy Fuels operated facilities in Texas, investors should be elated, right?

Tune into the video segment below to see what this deal means for Clean Energy Fuels in the grand scheme of things and how investors should look at companies like Clean Energy Fuels and Westport Innovations (NASDAQ:WPRT) that are trying to disrupt a well entrenched incumbent in an infrastructure-heavy industry.

Fool contributor Tyler Crowe owns shares of Westport Innovations. You can follow him at under the handle TMFDirtyBird, on Google +, or on Twitter, @TylerCroweFool.

The Motley Fool recommends Clean Energy Fuels, United Parcel Service, and Westport Innovations. The Motley Fool owns shares of General Electric Company and Westport Innovations. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.