1. They were originally created for the UnNatural type of games. The aim is to make better engine options that has a reason for being used. In the original only W1, W7 W9 engines are built 99% of the time.
3 types of engines are used:
- The Eco drives are always lower in consumption than the Advance.
The Advance is similar to the original TList engines.
Highspeed are the least economical and also cost less.
For the details see http://www.circus-maximus.com/forums/vi ... 153#p63154
2. To give them a little boost in this scenario, cause they were always picked last. And cuase I like them