Versus Gas USA

Gratec: Alternative Fuels Division is VERSUS GAS USA. Gratec is proud to be the distributor of VERSUS GAS CNG systems in the United States. At Gratec we are working very hard to assure your satisfaction while providing only the best customer support. More »

Versus Gas Premium CNG Systems

Versus Gas Systems are one of the most prestigious systems on the market today. These systems come with the newest technology for fuel injected engines. From the regulator to the ECU, the VERSUS system will be your choice for your CNG conversions. More »

Why CNG?

Converting your vehicle is one of the most cost- effective decisions you will make. Not only will you save money but you will also prolong the life of your engine. To find out more information about CNG and why it is right for you read More »

FREE Technical Support

Gratec: Alternative Fuels Division (VERSUS GAS USA) offers FREE technical support with every VERSUS GAS CNG system. Our team is highly trained to help you through even your most complex problems. More »

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Locate a distributor nearest you! More »

 

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Welcome to the Gratec: Alternative Fuels Division website!

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Versus Gas USA

 

 

 

 

 

Who we are

  • supplier of the premium aftermarket CNG VERSUS GAS bi-fuel systems
  • supplier premium aftermarket diesel conversion systems

Our Goals

  • We strive to give our customers only the best quality conversion kits
  • We strive to give you the best customer service with the most advanced technical support
  • We educate those on CNG and why we want to be dependent on foreign oil
  • We want to EARN your position as the only choice for CNG conversion kits, parts and accessories

On our website you will find much information including CNG information, laws, incentives, and support for your CNG system.  Take a look around!  If you have any questions please contact us!