While portable generators do supply power, an automatic standby generator produces a higher quality of electricity. It operates automatically and runs a weekly self-test to ensure proper response to your needs. There are no extension cords to plug in and no gas tanks to fill.
A 2007 Honda Accord can hold just over 17 gallons go gas. The  approximate number is 17.09. Most cars tend to rarely use the whole  tank as gas lights come on approximately â¦two gallons before the  vehicle will run out of fuel.
If you refill, you then simply add 15 pounds or so to the tank and pay for what you added. If you exchange, you are giving the propane company 5 pounds of propane and paying for the complete exchange. You will likely pay more for the exchange, even if your tank is completely empty.An empty 20 lb tank will hold about 4.7 gallons of propane. That is $18.47 at $3.93 per gallon, which is the low quantity price (I just paid $3.44 per gallon when filling several tanks).The exchange is about the same price. Keep in mind this comparison is as if the exchange gives you a FULL tank.f you refill, you then simply add 15 pounds or so to the tank and pay for what you added. If you exchange, you are giving the propane company 5 pounds of propane and paying for the complete exchange. You will likely pay more for the exchange, even if your tank is completely empty.