a chemical- powered car competition is happening this week at the hilton union square. some of the br >>> some pretty unique vehicles were on display in san francisco today. a chemical powered car competition is happening this week at the hilton union square. >> some of the brightest college students from around the world built small cars and came up with alternative fuels to make them run. >> our car is named after the disney pixar film monster zinc powered by the zinc air battery. i said the car had to be powered by a chemical reaction, no ropes and rubber bands and things won't uptight. it has to be a chemical reaction. >> one of the cars is powered by the unlikely combination of beef liver and peroxide which juliette had for dinner. whoever gets the car closest to a line on the floor wins $1,000. >>> this diamond could be yours for $25 million. the so-called sky blue diamond will be on the auction block in switzerland this week. it's more than 8-carats! we'll be right back. ,,,,,,,,,,

smaller than wa you will drive to work -- the chemical powered car competition is underway at the hilton union square. they were created by college students around the world. some tell us about the tin kerring involved making this run. >> ours is named after the monster's ink disney movie. >> no robes and rubber bands wound uptight, it has to be a chemical reaction i told them. >> one of the cars is powered by beef liver and peroxide. whoever gets their car closest to a certain mark on the floor wins $2,000. >>> instagram is testing a live video feature to compete with snapchat and youtube. you can soon stream video to the world in realtime. no word when it will go live in the united states. >>> it is 4:57. donald trump announces two key appointments in his administration. why there is push back this morning about his decision. >>> following the election, there's been a lot of anger and hate out there but today some people in san francisco will try to spread messages of peace and healing. and it's too foggy to see it now, but the super moon brightened >>> good morning, we have a live look outside. th

take a look at this chemical- powered car competition happening this week at the hilton union square. some of the brightest college students from around the world built small cars and came up with alternative fuels to not only power them but to stuff them as well. >> our cars called popbster inks named after the disney pixar film. it is powered by battery. >> and so i said the car had to be powered by a chemical reaction. no ropes and rubber bands and things wound uptight or anything like that. it has to be a chemical reaction. >> it is the real deal. no shortage of imagination, one of them is powered by combination of beef, liver and peroxide. whoever can get their car closest to the line on the floor wins a $2,000 prize. >>> if you are outside you can not miss it in the sky above the bay area tonight. for the first time since 1948 an extremely full moon. officially at 3:22 a.m. tomorrow morning the moon will be closer to earth since 1948. harder to ph-blg you will think it is brighter. shu go outside and say, hay, that is 1 super super moon over the bay area tonight. skies are coope