Error! You must have javascript enabled to use this form. Please enable Javascript in your browser. GT5 GreenCell Technologies on Hydrocell The HydroCell produces Hydrogen Gas, on demand, and adds it to the air drawn into a diesel engine. This small quantity of Hydrogen has large effects on the combustion process. View full press release Your Name: Your Email: To Email: To BCC: Subject: Comments: We respects your privacy, the information you entered above will not be used to send unsolicited email, and will not be rented or sold to a 3rd party. Your contact information will be shared with the recipient of this message - Privacy Policy Send