I don't really know sorry.
Some things that run on energy that start with E are: elevator engine escalator
An eggcup.
eclipse
Exoskeleton
eucaliptys
Some things that start with "E" in Hawaii include eruptions (volcanic), eels (marine life), and eucalyptus trees (flora).
squirrels
Start giving your baby gray squirrels water after about 4-6 weeks.
Egg or Eggo. :)
· Enfamil
emarald
EnergyEggplantEagleElectricElephantEnvelopeEmeraldEggsHope this helps