Hamos The Green Chariot (Nogsaegjeoncha Hamos (original title) )
Originally aired: Dec 12, 1997 to Jun 12, 1998
The Planet Terra, once called a morning star in galactic system, was
so beautiful. However, Terra is now under crisis that it may disappear
with big explosion in universe due to the pollution and warfare. Dr.
Chaco is the only one who knows the key of saving the planet Terra.
The only way to save Terra is to make rainbow system work with seven
mysterious crystals. To find 7 crystals, Dr. Chaco holds a race to
achieve his plot to build his own universal dynasty with the power of
the crystals. Riding Hamos, Rick joins the race not knowing Dr.
Chaco's plot. Rick comes to know the secret of the crystals on the
way of the race, tries to revive the planet Terra. This causes a war
between Dr. Chaco and Rick to get the 7 crystals and rainbow system.
You can watch the whole series here. (Warning, Serbian dub)