Hydrogen technologies

• Compressed hydrogen
• Cryo-adsorption
• Liquid hydrogen
• Slush hydrogen
• Underground hydrogen storage
• Hydrogen tank
• Power to gas

• Hindenburg (airship)
• Zeppelin

Hydrogen fueling nozzle

Audi:

• 2004 – Audi A2H2-hybrid vehicle
• 2009 – Audi Q5-FCEV[5]

BMW:

• 2002 – BMW 750hl
• 2010 – BMW 1 Series Fuel-cell hybrid electric[6]

Chrysler:

• 2000 – Jeep Commander II-hybrid vehicle-Commercial
• 2001 – Chrysler Natrium-hybrid vehicle
• 2003 – Jeep Treo-Fuel cell

Daimler:

• 1994 – Mercedes-Benz NECAR 1
• 1996 – Mercedes-Benz NECAR 2
• 1997 – Mercedes-Benz NECAR 3
• 1999 – Mercedes-Benz NECAR 4
• 2000 – Mercedes-Benz NECAR 5
• 2002 – Mercedes-Benz F-Cell based on the Mercedes-Benz A-Class
• 2005 – Mercedes-Benz F600 Hygenius
• 2009 – Mercedes-Benz F-CELL Roadster
• 2009 – Mercedes-Benz F-Cell based on the Mercedes-Benz B-Class[7]

Fiat:

• 2001 – Fiat Seicento Elettra H2 Fuel Cell-hybrid vehicle
• 2003 – Fiat Seicento Hydrogen-hybrid vehicle
• 2005 – Fiat Panda Hydrogen-Fuel cell
• 2008 – Fiat Phyllis-Fuel cell
• 2008 – Fiat Panda-Fiat Panda HyTRAN[8]

Ford:

• 2000 – Ford Focus FCV-Fuel cell. Note however that Ford Motor Company has dropped its plans to develop hydrogen cars, stating that "The next major step in Ford’s plan is to increase over time the volume of electrified vehicles".[9]
• 2006 – F-250 Super Chief a Tri-Flex engine concept pickup.

Forze Hydrogen-Electric Racing Team Delft

• 2016 – Forze-Fuel cell

General Motors:

• 1966 – GM Electrovan-Fuel cell
• 2001 – HydroGen3-Fuel cell
• 2002 – GM HyWire-Fuel cell
• 2005 – GM Sequel-hybrid vehicle
• 2006 – Chevrolet Equinox Fuel Cell[10]
• 2007 – HydroGen4

Honda:

• 2002 – Honda FCX – hybrid vehicle
• 2007 – Honda FCX Clarity – Hydrogen Fuel cell – Production model

Hyundai:

• 2001 – Hyundai Santa Fe FCEV
• 2010 – Hyundai ix35 FCEV[11]

Lotus Engineering:

• 2010 – Black Cab-Fuel cell[12]

Kia:

• 2009 – Kia Borrego FCEV-Fuel cell[13]

Mazda:

• 1991 – Mazda HR-X Hydrogen Wankel Rotary.
• 1993 – Mazda HR-X2 Hydrogen Wankel Rotary.
• 1993 – Mazda MX-5 Miata Hydrogen Wankel Rotary.
• 1995 – Mazda Capella Cargo, first public street test of the hydrogen Wankel Rotary engine.
• 1997 – Mazda Demio FC-EV Methanol-Reducing Fuel Cell
• 2001 – Mazda Premacy FC-EV – First public street test of the Methanol-Reducing Fuel Cell vehicle in Japan
• 2003 – Mazda RX-8 Hydrogen RE Hydrogen \ Gasoline hybrid Wankel Rotary.
• 2007 – Mazda Premacy Hydrogen RE Hybrid
• 2009 – Mazda 5 Hydrogen RE Hybrid[14]

Mitsubishi:

• 2004 – Mitsubishi FCV

Morgan:

• 2005 – Morgan LIFEcar-hybrid vehicle-concept car

Nissan:

• 2002 – Nissan X-Trail FCHV-hybrid vehicle. Note, however that in 2009, Nissan announced that it is cancelling its hydrogen car R&D efforts.[15]

Peugeot:

• 2004 – Peugeot Quark
• 2006 – Peugeot 207 Epure
• 2008 – H2Origin-Fuel cell

Renault:

• Scenic ZEV H2 is a hydro-electric MPV co-developed by Nissan.

Riversimple:

• 2009 – Riversimple Urban Car

Ronn Motor Company:

• 2008 – Ronn Motor Scorpion

Toyota:

• 2002 – Toyota FCHV-hybrid vehicle
• 2003 – Toyota Fine-S-concept car
• 2003 – Toyota Fine-N-concept car
• 2005 – Toyota Fine-T-concept car
• 2005 – Toyota Fine-X-concept car
• 2008 – Toyota FCHV-adv-preproduction vehicle (expected public release 2015) [16]

Volkswagen:

• 2000 – VW Bora Hy-motion-Fuel cell
• 2002 – VW Bora Hy-power-Fuel cell
• 2004 – VW Touran Hy-motion-Fuel cell
• 2007 – VW space up! blue

• Hyfish
• Smartfish
• Tupolev Tu-155-hydrogen-powered version of Tu-154[17]
• Antares DLR-H2 -The first aircraft capable of performing a complete flight on fuel-cell power only

Possible future aircraft using precooled jet engines include Reaction Engines Skylon and the Reaction Engines A2.

The following rockets were/are partially or completely propelled by hydrogen fuel:

• Saturn V (upper stage)
• Space Shuttle
• Ariane 5
• Delta IV
• Atlas V (Centaur upper stage)
• CE-20 (cryogenic rocket engine for upper stage of GSLV-III)

• Anaerobic digestion
• Dark fermentation
• Photofermentation
• Syngas

• Generation IV reactor
• Hydrogen bomb

• Dehydrogenation
• Hydrogenation
• Hydrogenolysis