Who loves to scrape ice from windshield in icy cold morning? Nobody does. Moreover, you should be very careful. Any forceful stroke may damage your windshield.
Defroster solution might cost you money. But there is one simple way, you can try. Mix 2/3 cup of rubbing alcohol with 1/3 cup of water. Put it in spray bottle. That should work immediately. Freezing point of Alcohol is ridiculously low (-1800 C). It should melt the ice in seconds. Me
You do not believe me. Check out these two trustworthy posts.
Meteorologist Ken weather explains the process.
Defrost windshield in seconds in Independent.