Summary List Placement
Following is a transcript of the video.
Narrator: What could a future with electric planes look like? $25 tickets, quieter airports, or even shorter runways. Companies have been betting on battery-powered planes for this cleaner future. But even though electric planes have been around since the 1970s, they haven’t really taken off. So, what’s keeping them grounded?
In the late 1800s, two French army officers experimented with electricity to propel an airship, but they ran into problems when the battery just couldn’t hold enough energy. This would become a recurring problem for the next 100 years.
When nickel-cadmium read more ⇒
Source:: BusinessInsider.Com