Yes, the vehicles used in the study were NYC taxicabs.

On Wed, Jan 13, 2010 at 9:12 AM, Allan Streib wrote:

> On Wed, 13 Jan 2010 09:27 -0500, "Dave Mcneely"  wrote:
>
>> Well, for what it's worth, when consumer reports, using modern
>> nonsynthetic oils, ran vehicles under severe conditions in New York
>> City, and extended the oil change interval long beyond the factory
>> recommendations, they found no difference in wear compared to engines
>> that were treated according to factory recommendations.
>
> Was this the taxicab service test?  Remember that NYC taxicabs run
> pretty much 24x7, or at least for many hours at a time.  That's
> actually
> better for the motor and oil than a lot of short trips where the oil
> is
> cold half the time.
>
> Allan