Separation of carbon dioxide from the exhaust of an internal combustion engine, the production of hydrogen from water, and reformation of carbon dioxide and hydrogen into relatively high-octane fuel components.

The invention relates to an internal combustion engine that comprises a first Brayton cycle comprising a mixed ionic-electronic conducting (MIEC) membrane that separates the O.sub.2 from the air such that the suctioned air current is free from N.sub.2; a second Brayton cycle combined in a binary manner with the first Brayton cycle and nested with a cycle selected from an Otto cycle and a diesel cycle performed by means of oxy-combustion. The second Brayton cycle transmits mechanical energy and thermal energy from exhaust gases to the first Brayton cycle. The first Brayton cycle provides to the second Brayton cycle compressed O.sub.2 from the MIEC membrane. By means of the present engine, the NOx emission into the atmosphere is prevented by the separation of N.sub.2 in the MIEC membrane.

The invention relates to an internal combustion engine that comprises a first Brayton cycle comprising a mixed ionic-electronic conducting (MIEC) membrane that separates the O.sub.2 from the air such that the suctioned air current is free from N.sub.2; a second Brayton cycle combined in a binary manner with the first Brayton cycle and nested with a cycle selected from an Otto cycle and a diesel cycle performed by means of oxy-combustion. The second Brayton cycle transmits mechanical energy and thermal energy from exhaust gases to the first Brayton cycle. The first Brayton cycle provides to the second Brayton cycle compressed O.sub.2 from the MIEC membrane. By means of the present engine, the NOx emission into the atmosphere is prevented by the separation of N.sub.2 in the MIEC membrane.

Described are oxygen enrichment systems that allow combustion powered vehicles to operate in reduced oxygen environments.

Timing of HHO gas injection into a 4-stroke engine is optimized based on engine operating parameters to improve fuel economy.

Timing of HHO gas injection into a 4-stroke engine is optimized based on engine operating parameters to improve fuel economy.

The present invention relates to a method for manufacturing hydrogen by an improved electrolytic process; to electrolytic cells (electrolyzers) adapted to such a process and to devices comprising such electrolytic cells. The invention further relates to new uses of aqueous hydrazine; particularly as an electrolyte.

The present invention relates to a method for manufacturing hydrogen by an improved electrolytic process; to electrolytic cells (electrolyzers) adapted to such a process and to devices comprising such electrolytic cells. The invention further relates to new uses of aqueous hydrazine; particularly as an electrolyte.

The disclosed invention includes systems and methods to improve the efficiency of combustion engines through the use of air separator technology. In some embodiments, a system for improving engine efficiency includes a compressor configured to take in a flow of ambient air and output a supply of pressurized air to one or more air separators. The air separator(s) produce a supply of oxygen enriched air, which is conveyed to the combustion chamber(s) of an engine. The air separators also produce a supply of exhaust air, which may be used to power system components, or other components. Other embodiments include methods of improving engine efficiency by pressurizing ambient air, supplying the pressurized air to an air separator to produce oxygen-enriched air, and supplying the enriched air to an engine's combustion chamber(s). Some embodiments use a supply of exhaust air from the air separator to power system components and other components.

The disclosed invention includes systems and methods to improve the efficiency of combustion engines through the use of air separator technology. In some embodiments, a system for improving engine efficiency includes a compressor configured to take in a flow of ambient air and output a supply of pressurized air to one or more air separators. The air separator(s) produce a supply of oxygen enriched air, which is conveyed to the combustion chamber(s) of an engine. The air separators also produce a supply of exhaust air, which may be used to power system components, or other components. Other embodiments include methods of improving engine efficiency by pressurizing ambient air, supplying the pressurized air to an air separator to produce oxygen-enriched air, and supplying the enriched air to an engine's combustion chamber(s). Some embodiments use a supply of exhaust air from the air separator to power system components and other components.