On Sun, 9 Jan 2005, Daniel J. Stern wrote:

> Sylvania XtraVision, GE HO, GE SUV, Philips High Visibility are
> high-efficacy bulbs.

For completeness, this list should also include Wagner BriteLite,
Candlepower BL and Narva Rangepower.

> GE NightHawk, Philips VisionPlus, Narva Rangepower+50, Candlepower SBL are
> ultra-high-efficacy bulbs.