Update: Texas Attorney General Shuts Down Bioperformance

As gas prices skyrocket, folks are looking for ways to get better gas mileage, but AAA sees nothing close to claims.

ABC News report on Gas Pill

The net is also buzzing with lawsuit talk about this product and Chevrolet customer relations manager says product may void car warranty.

Jennifer Vera, customer relations manager, said, in part:

"Chevrolet does not recommend … adding additives such as the BioPerformance fuel pill after (a vehicle) has left the assembly plant.

"Changes may adversely affect the vehicle and possibly result in operational problems. This could result in the voiding of specific items covered under the … warranty.