This is the 10153rd most frequent Russian word.
бензиновых
"Бензиновых" means "of gasoline" or "gasoline-related."
Here, 'бензиновых' is used as an adjective to describe 'двигателях' (engines), indicating that the engines use gasoline.
Многие машины работают на бензиновых двигателях.
Many cars run on gasoline engines.
In this example, 'бензиновых' modifies 'автомобилей' (cars), specifying that the cars operate using gasoline.
На заправке стоит очередь из бензиновых автомобилей.
At the gas station, there is a line of gasoline cars.
'Бензиновых' here describes 'станциях' (stations), meaning the stations are associated with or provide gasoline.