CVAC Bi-Fuel
Bi-fuel engines are capable of running on two fuels. The most common bi-fuel engines are able to run on one fuel at a time, usually gasoline with another fuel such as natural gas (CNG), LPG or hydrogen. The CVAC solution can be used, allowing the described CVAC Gasoline or CVAC Diesel benefits depending on the ignition type and the following solutions can also be added.
Runs one fuel at a time
This Bi-fuel engine type is predominantly an Otto cycle, using one fuel at a time. To allow the engine to run optimally on each fuel, CVAC lobes can be designed having an optimum gasoline lobes section and the other part of the cam with the other fuel optimum lobes.
Runs both fuels at the same time
This Bi-fuel engine type predominantly uses diesel and natural gas fuels. Both fuels are used at the same time, since the natural gas cannot be ignited by compression (at least in a standard diesel engine) and diesel fuel is used to ignite the natural gas. The problem of these engines is that the combustion requires sophisticated control of engine parameters in order to maintain acceptable emissions levels while operating at high combustion efficiency. CVAC will allow the fine tuning of valves openings, optimizing consumption and emissions.