Yes, but it would involve them either voluntarily, or under court order, to do it.
you and your live spouse must go together to the DMV
Not if she is listed as part owner of the vehicle.
No, a cosigner generally has no legal rights to the property that they are cosigning for.
If you and your deceased spouse were listed as "OR" on the title, it only takes on signature to release the title to the new owner. However, if the names were listed with "AND", then both signatures would be required. Since this is no longer physically possible, you need to take the title, along with the certificate of death, to the motor vehicle office and have your deceased spouses name removed from said title before you even attempt to sell or trade in this auto.
Depends on the state. Generally if a state has compulsory auto insurance, and the car is registered/has plates/is legal to drive, you must have auto insurance for it.
You can definitely exclude your spouse from your auto insurance. They shouldn't be driving if their license is suspended so they don't need insurance.
yes
Not necessarily. In this state certain legal work and a bill of sale must be filled out precisely and correctly. You must get legal proof you paid off the loan. Certain taxes must be paid. After you have jumped through all the required legal hoops, then you can get the title. Temporary tags exist to show you have met all requirements but are waiting for the title.
18 for Title 1 rifles and shotguns, 21 for Title 1 handguns, and any Title II items (full auto weapons, short barreled rifles/shotguns, AOW, destructive devices, etc.)
Absolutely, name exists on title therefore you are part owner.
no
The Insurance Company, Then The Name On The Title Of The Auto. If It Got To That. If There Is Insurance On The Auto In Her Name All Should Be OK. Best To You