Check these links
1.
2.
3.
4. IEEE
5.

ASSEMBLY COMMITTEE ON TRANSPORTATION
Bonnie Lowenthal, Chair
AB 306 (Gatto) – As Amended: April 27, 2011

SUBJECT : Piezoelectric technology: roadways

SUMMARY : Requires the California Energy Commission (CEC) to
conduct research on piezoelectric transducers. Specifically,
this bill :

1)Requires CEC to conduct research on generating electricity
using piezoelectric technology under roadways and railways.

2)Requires the CEC to collaborate with the California Department
of Transportation (Caltrans) to establish a pilot project or
projects that would employ piezoelectric-based harvesting
technology if the CEC finds, based on initial research, that a
pilot project is appropriate.

3)Requires the CEC to include in its Integrated Energy Policy
Report to be adopted in 2013, a report on the findings of the
research performed pursuant to the provisions of this bill.

4)Authorizes the CEC to expend money in the Public Interest
Research, Development, and Demonstration Fund, upon
appropriation by the Legislature.