Question

I would preferably follow all the ways mentioned in the question to conserve energy.

Careful use of petroleum and electricity : One should preferably use bicycle or barefoot for shorter distances instead of cars. One must switch off the switches when lights/fans are not required.
Careful use of water when washing and gardening : One should properly utilise the water while washing clothes and gardening. Do not keep the taps open and waste water

Answer 1

Answer:

Yes, it's TRUE. One should follow all this to conserve energy.