Air filter restriction, defective fuel pump, injectors or turbocharger, normally it will be associated with black exhaust smoke. Other things might be hyd pump adjustment in which case the engine may be being pulled down too low speed or the hyd oil gets and coolant hot. The rear damper might also be overfull and acting like a brake.
The 2.4 liter engine does not consume a lot of fuel compared to larger engines like the 5 liter. This engine is considered to be fuel efficient in newer vehicle models.
a lot
A lot.
check your fuel pressure regulator. it is on the fuel rail on top of engine or in the gas tank depending on your car.
Cargo vans are quite a vehicle if you need to haul items that cannot be exposed to the weather. Cargo vans can also consume a lot of fuel. You may want to check out the Chevrolet Express 3500 which offers a lot of space but is more fuel efficient than other vans.
Car exhaust can smell like rotten eggs when the fuel has a lot of sulphur in it.
Probably
a lot
it consume a lot of time and effort
Being a hybrid or fully electric car makes a car quite efficient. Also a lot of factors determine how much fuel effienciency a car has. Such as weight, tire pressure and speed.
Drinking a lot can cause it.
There are a lot of things that you can do to reduce fuel consumption in your car, brake in plenty of time- do not brake harshly at the last second. Do not start aggressively, do not over rev the engine, try to build up speed when going downhill, because accelerating uphill burns more fuel and obviously travelling at faster speeds burns more fuel.