Most cars and light trucks will be done 30-45 minutes, larger trucks will take around 90 minutes.
No, because no chemicals are used no harm will come to your vehicle so it will not void the warranty.
Every 10,000 -12,000 miles depending on driving habits.
Yes, removing the carbon from your engine will lower your emission output and I will test your 1996 and newer car through your OBD-II to make sure your vehicle is ready.
Yes because no chemicals are used.
Depends on engine size. Go to the Vehicles tab at the top to see prices.