Every field of knowledge is different, but they are all connected. And they often rhyme. This means that something in the way you describe your process may give me a crucial insight or catalyze a new thought in me. This is how ideas form when we spark off each other.
And what's interesting about the hybrids taking off is you've now introduced electric motors to the automobile industry. It's the first radical change in automobile technology in 100 years.
The first stage in a technology's advance is that it'll fall below a critical price. After it falls below a critical price, it will tend, if it's successful, to rise above a critical mass, a penetration.