0_Apprentice
I am pleased that hybrid vehicles have been invented to save on carbon emissions
1_Wizard
Yes, the use of two types of power really cuts down on carbon emissions. 
0_Apprentice
What are the two types of power?
1_Wizard
It depends, but some are combustion with gas and battery electric 
0_Apprentice
Are they affordable for the average person?
1_Wizard
They can be costly, but the tax incentives like a tax credit can offset that cost. 
0_Apprentice
That is a good point.  What else do you know about them?
1_Wizard
they were first designed. in 95 by thomas muller