Gas guzzlers, also referred to as fuel hogs or gas guzzling beasts, are vehicles that consume large amounts of gasoline or diesel fuel. They are often characterized by their low fuel efficiency and high emissions. Other synonyms for gas guzzlers include gas-guzzling monsters, fuel-thirsty beasts, and petrol-gulping machines. These phrases highlight the negative connotations associated with these vehicles, which contribute significantly to air pollution and climate change. With the growing concern for the environment, electric and hybrid vehicles are becoming more popular alternatives to gas guzzlers, offering improved fuel efficiency and lower emissions.