Pricing Strategies Using Economies of Scale

Pricing Strategies Using Economies of Scale ; Read the following like

http://wheels.blogs.nytimes.com/2010/07/22/is-this-the-end-of-the-hybrid-price-premium/?_r=0

make 2 completely differences  of the briefly which explain how Ford is using the concept of economies of scale to lower prices

each briefly explain should be half page that means the total of 2 is 1 page 

if you do not have experience of Economies of Scale, please do not take the homework