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> Making Ever-better Cars > Initiatives to Achieve Carbon Neutrality
Software and Connected Initiatives > Commercial Sector Initiatives > Woven City
Initiatives to Achieve Carbon Neutrality: Hydrogen Engines
The Evolution of Efforts to Produce,
Transport, and Use Hydrogen through a
Year of Racing
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June 2022 marked a year since the racing debut
of a hydrogen engine developed by Toyota.
Hydrogen engines work like modified versions
of conventional gasoline engines, powered by
burning hydrogen directly as fuel. The fuel is
100% pure hydrogen, unmixed with gasoline. As
no fossil fuels are burned, hydrogen-engine vehi-
cles emit almost no CO2 when in operation-only
that from the combustion of minute amounts of
engine oil. The hydrogen engine is thus one option
that offers great potential to contribute to carbon
neutrality while making use of technologies for
internal combustion engines built up over the
decades and protecting engine-related jobs in the
automotive industry.
In late 2020, after taking a test drive in a hydro-
gen engine prototype car, master driver Morizo
(President Akio Toyoda) decided on the spot to
enter a hydrogen engine car in Super Taikyu
Series races. The development of race vehicles is
dramatically faster and more agile than that of
mass-production vehicles. We decided that racing
would provide the ideal environment for honing
our hydrogen engines being developed with the
goal of achieving carbon neutrality.
Looking at the overall route to the market
release of a hydrogen engine car, we are currently
a little less than halfway there. The finish line is still
far ahead, and there are still many issues to be
figured out, but we are steadily moving forward.
Over the course of a year of racing with hydrogen
engines, our hydrogen engine technologies and
initiatives to use hydrogen have evolved. At the
same time, the number of like-minded partners
who have joined our efforts to produce, transport,
and use hydrogen has expanded from eight at the
starting line to 25 as of August 2022.
With regard to hydrogen production, the range
of available energy sources for producing hydro-
gen has expanded to include solar power from
Yamanashi Prefecture and Namie Town,
Fukushima Prefecture; geothermal energy from
Obayashi Corporation; lignite from Kawasaki
Heavy Industries, Ltd., Iwatani Corporation, and
Electric Power Development Co., Ltd. (J-Power);
and sewage biogas from Fukuoka City.
To transport hydrogen, Commercial Japan
Partnership Technologies Corporation has
improved its FC light-duty trucks, changing from a
metal tank to a lightweight resin liner tank that can
transport hydrogen at higher pressure, achieving
an approximately four-fold increase in the amount
of hydrogen transported annually.* In addition, as
a first step in procuring hydrogen from overseas,
hydrogen transported by air to Japan by
Kawasaki Heavy Industries, Iwatani Corporation,
and J-Power on a trial basis was used as fuel in
Toyota's hydrogen-powered vehicles.
As for using hydrogen, we are working to
improve cars and engines through agile develop-
ment in the demanding environment of motor-
sports. Over a year of racing, our hydrogen
engines have evolved significantly, increasing
power output by 20%*, torque by 30%*, and
cruising range by 20%*, while hydrogen filling
time has been reduced from approximately five
Toyota Times
Super Taikyu 2022
minutes to 90 seconds.* We have also raced
with a GR86 modified to use another, non-
hydrogen carbon-neutral fuel. The partners who
joined us through racing in the Super Taikyu
Series are now accelerating initiatives outside of
racing to achieve carbon neutrality.
Expanding Hydrogen Initiatives Globally
Our efforts to develop hydrogen engine cars are
extending beyond Japan. In August 2022, Morizo
put a hydrogen engine car (a GR Yaris) through its
paces in a demonstration run during the ninth
round of the World Rally Championship (WRC) in
Belgium. This enabled us to highlight the potential
of hydrogen as an option for achieving carbon
neutrality in Europe. We also plan to enter a
hydrogen engine car in an endurance race in
Thailand in December 2022. Through our efforts
to use hydrogen that began with hydrogen engine
vehicles in the Super Taikyu Series races in Japan,
and gradual growth in understanding of our asser-
tion that carbon is our enemy, not internal com-
bustion engines, hydrogen has come to be seen
as an option for the future. Going beyond national,
regional, and industry borders, we will continue to
push forward with our partners.
*Figures as of June 30, 2022
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Photographs by Noriaki Mitsuhashi / N-RAK PHOTO AGENCY
TOYOTA MOTOR CORPORATION
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