1) What is the main limitation currently in using renewable energy sources?

1) What is the main limitation currently in using renewable energy sources?
2) What is the main factor stopping us from switching standard automobiles to greener electric ones?
3) What are the components of a battery?
4) How many aluminum can batteries are required to charge a phone?
5) What are the important criteria for next generation battery?
6) What car model did Jay Leno drive in this video? What was its maximum speed?
7) In USA, transportation accounts for ____________ of all greenhouse emissions.
8) ________% of transportation fuel is gasoline.
9) Which cellphone manufacturer recalled smartphones because of malfunctioning battery?
10) What is main problem in recharging Lithium ion battery?
11) What will be the size of battery to be manufactured in Tesla’s gigafactory?
12) How much pounds of force was applied during crush test of battery?
13) When lithium-ion battery uncontrollably overheats, it is called __________________
14) Leanna and Josh show 2 videos of batteries being _______________________ and ___________________.
15) In the video, what is referred to as the largest battery?
16) What are the different methods shown in the video for grid energy storage?