What we're reading: efficient car tech

1.) How researchers are making cars more efficient: regenerative brakes, shock absorbers and heat recovery.

2.) Does Facebook really deserve the criticism lobbed at it by Greenpeace?

3.) Is it ethical to genetically-engineer farm animals not to feel pain?

4.) Inspiration, shminspiration: Dodge threatens to sue a Florida high school after it pilfers its iconic Ram logo.

5.) Japan plans to ignore any international bans on the endangered Atlantic bluefin tuna.