Changes

But a high-performance cyclist can generate 400 watts of continuous energy, and of course multiple bicycle riders can combine their output to far exceed that.  An efficient generation of energy by humans continues to be a topic of ongoing research.<ref>https://www.utilitydive.com/news/5-ways-you-can-use-the-human-body-to-generate-electricity/280709/</ref>

But a high-performance cyclist can generate 400 watts of continuous energy, and of course multiple bicycle riders can combine their output to far exceed that.  An efficient generation of energy by humans continues to be a topic of ongoing research.<ref>https://www.utilitydive.com/news/5-ways-you-can-use-the-human-body-to-generate-electricity/280709/</ref>

== Products ==

== High-tech Products ==

[[Tesla Motors]] has two expensive products helpful for going [[off-the-grid]]: the Tesla Powerwall (cost about $12,000) and the Tesla Solar Roof (cost around $55,000 for a medium-sized home).

[[Tesla Motors]] has two expensive products helpful for going [[off-the-grid]]: the Tesla Powerwall (cost about $12,000) and the Tesla Solar Roof (cost around $55,000 for a medium-sized home).