Here's some info on what could be an alternative to halogen/HID driving lamps; LED aircraft aviation landing lights which depending how they are set up could give excellent peripheral lighting to help keep wildlife out of the radiator;
http://www.aeroleds.com/comparison.html
Whelen has a few aviation LED landing light solutions in their catalog on pg 27;
http://www.whelen.com/pb/Aviation/2008_ ... atalog.pdf
Another LED aircraft landing light that is just coming available is the AveoBeam, but not much info yet;
http://www.aveousa.net/avli.html
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