Hybrid vs. "clean diesel"

Do hybrids do anything that "clean diesel" doesn't?  HybridCenter has a look: 

http://www.hybridcenter.org/hybrid-watchdog-hybrid-vs-diesel.html

Exetel’s 100Mbps NBN starts at $50: enter the budget ISPs

Or how does 12Mbps with 50GB cap for $39.50 per month sound? 

http://www.gizmodo.com.au/2011/07/exetels-100mbps-nbn-plans-start-at-50-here-come-the-budget-isps/#more-464946