Transportation PEEC focuses its transportation research mostly on behavioral approaches to more energy-efficient personal mobility. Such topics include boosting public transportation and translating car fuel efficiency into dollars saved. PEEC has also analyzed U.S. policies to reduce gasoline consumption and invented a device to recycle otherwise wasted heat from car motors into electricity.
Cortisol is a corticosteroid hormone produced by the zona fasciculata of the adrenal cortex (in the adrenal gland). It is a vital hormone that is often referred to as the stress hormone as it is involved in the response to physical and psychological stress.
Guide. A cortisol test is done to measure the level of the hormone cortisol in the blood. The cortisol level may show problems with the adrenal glands or pituitary gland.Cortisol is made by the adrenal glands. Cortisol levels go up when the pituitary gland releases another hormone called adrenocorticotropic hormone (ACTH).uide. A cortisol test is done to measure the level of the hormone cortisol in the blood. The cortisol level may show problems with the adrenal glands or pituitary gland. Cortisol is made by the adrenal glands.