Why do engines make cars go? What is horsepower and why is it important? How can the sun power new cars? The answers to all those questions--and more--are in science . . . and in this book. Look under the hood and in the driver's seat to find out how cars and science are linked. And it's not just cars--science is all around us, every hour of every day. Discover more ways that science is a part of our lives in SCIENCE 24-7! Each title in this series...