Adding batteries? http://en.wikipedia.org/wiki/Diesel_locomotive#Diesel-electric http://en.wikipedia.org/wiki/Diesel_locomotive#Diesel-electr... http://en.wik

Adding batteries? http://en.wikipedia.org/wiki/Diesel_locomotive#Diesel-electric http://en.wikipedia.org/wiki/Diesel_locomotive#Diesel-electr... http://en.wikipedia.org/wiki/Hybrid_locomotive http://en.wikipedia.org/wiki/Hybrid_locomotive The article does a poor job of pointing out that diesel-electrics are very common already.