Answer:

engines

Answer	Crossword Clue
ENGINES	"Car Talk" subject
ENGINES	V8s and others
ENGINES	Internet search aids

ENGINES	Locomotives
ENGINES	Firefighters
ENGINES	Fire trucks
ENGINES	Wankel products
ENGINES	They're under some hoods
ENGINES	Railroad locomotives
ENGINES	They get started
ENGINES	Motors

ENGINES	Internet-search helpers
ENGINES	Train pullers
ENGINES	Power sources
ENGINES	Train leaders
ENGINES	Flying Fortress's foursome
ENGINES	They sometimes purr
ENGINES	Some have fans
ENGINES	Mechanical tools.

ENGINES	Diesels.
ENGINES	Roundhouse items.
ENGINES	Diesels, for example.
ENGINES	Apparatus.
ENGINES	Sources of power.
ENGINES	Locomotives.
ENGINES	Power devices.
ENGINES	Turbojets.

ENGINES	Machinery.
ENGINES	Airport roarers
ENGINES	Jets, for one
ENGINES	Turbojets
ENGINES	Jet units
ENGINES	Donkey and diesel
ENGINES	Diesel and steam
ENGINES	Diesel and Wankel

ENGINES	Iron horses
ENGINES	Diesels
ENGINES	Donkeys on shipboard
ENGINES	"Gentlemen, start your ...!"
ENGINES	Energy converters

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.