Hybrid and electric cars do not help the environment They still need things like copper, steel, lithium, graphite, cobalt, glass and plastics. These things all need raw materials to be mined, refined, processed and transported. They need road...
Some of these cats may be owned pets that are permitted by their caretakers to go outside unsupervised, some may be tame strays who were formerly owned, but have been lost or abandoned, and some may be feral cats, those with no socialization whose disposition makes them unsuitable as domestic pets.
There is some disagreement over exactly what classifies a cat as feral, but groups tend to use factors such as the cat's levels of socialization and comfort with humans, and whether it is owned, kept confined, or dependent on humans for survival to determine whether a cat is feral.