REFR vs EVTV Comparison

Research Frontiers Inc is engaged in the development and marketing of technology and devices to control the flow of light. The company develops and licenses its patented suspended particle device light-control technology to other companies that manufacture and market the SPD-Smart chemical emulsion, the light-control film made from the chemical emulsion, the light-control panels made by laminating the film, electronics to power end-products incorporating the film, or lamination services for, and the end-products. The company's revenue source comes from the licensing of technology.

Envirotech Vehicles Inc is a provider of purpose-built zero-emission electric vehicles focused on reducing the total cost of vehicle ownership and helping fleet operators unlock the benefits of green technology. It recognizes revenue from the sales of zero-emission electric vehicles and vehicle maintenance and inspection services. The Company serves commercial and last-mile fleets, school districts, public and private transportation service companies and colleges and universities to meet the increasing demand for light to heavy-duty electric vehicles.