The internal combustion engine has been the primary design used in vehicles for more than a century. Petroleum fuel costs around the globe, and particularly in the U.S., have continued to rise in cost since the gasoline shortage crisis of the 1970s. This era marked the beginning of fuel price fluctuations and the gradual rise to the current level of fuel prices.

In the attempt to mitigate these costs, hybrid vehicle designs and engineering have been modernized as much as technology will allow in recent years. However, there are still high initial vehicle costs and increases in maintenance costs to address. A simple engine design that is not cost prohibitive and that allows users to take advantage of the cheapest fuel types is needed.

Eco-Motive USA has created an innovative new bi-fuel engine that will use both standard gasoline and Compressed Natural Gas (CNG). The patented engine design features a twin vertical bank hybrid internal combustion bi-fuel H-engine system. It is similar in size to a typical V-8, with a parallel left side and right side vertical inline piston banks. Each side features a crankshaft and pistons, a cylinder head, and individual fuel feeds capable of operating on a first and second fuel type.


The Eco-Motive engine was developed by Herns Louis, who has more than 30 years of experience in the automotive parts manufacturing industry, specializing in computerized parts machining. The twin-bank Eco-Motive is a result of his experience, along with the vision to help meet the need for more efficient, lower-exhaust CNG engines.

Because the Eco-Motive is a bi-fuel engine, vehicles will be fitted with separate tanks; this not only makes it practical for today’s transportation infrastructure, it also effectively doubles the range of the vehicle. Commercial CNG filling stations are also becoming more prominent around the country. Currently, there are nearly 530 CNG filling stations nationwide, 140 are found in California alone. Nationwide, there are approximately 112,000 natural gas powered vehicles and 15 million natural gas vehicles (NGVs) in use worldwide. NGV sales are expected to grow more than 10% annually through 2019.

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