### Question
How does Other Credits define total traction power?


### Answer
Under *26 U.S.C. § 30B*, **total traction power** is defined as:

> the sum of the peak power from the rechargeable energy storage system and the heat engine peak power of the vehicle, except that if such storage system is the sole means by which the vehicle can be driven, the total traction power is the peak power of such storage system

#### Citation:
  - *26 U.S.C. § 30B*
  - Heading: **Subtitle A-Income Taxes > CHAPTER 1-NORMAL TAXES AND SURTAXES > Subchapter A-Determination of Tax Liability > PART IV-CREDITS AGAINST TAX > Subpart B-Other Credits**

