Driver's License Test Prep
Texas Practice Vehicle Equipment

According to the Texas manual, an exhaust emission system is required on all cars manufactured in what year or later?

  1. A.
    1975
  2. B.
    1968 Correct
  3. C.
    1955
  4. D.
    1960
The Why

The answer is "1968"

The manual requires an exhaust emission system on all models built in 1968 or later. Drivers who pick 1960 are borrowing the year the manual uses for the single-taillight exception, where cars built before 1960 need only one taillight.

Why the others miss

The traps in the wrong answers

A. 1975

The manual's cutoff for emission systems is 1968. This answer pushes the year forward to when federal emission programs became more visible in popular memory.

C. 1955

The manual starts the emission system rule at 1968. This answer reaches for a mid-century year with no basis in the equipment table.

D. 1960

The exhaust emission system rule starts with 1968 models, not 1960. This answer substitutes the 1960 cutoff the manual uses for the single-taillight and reflector exceptions.

The Rule

This question tests your knowledge of Vehicle Equipment in Texas. Source: Texas Driver Manual, "Required Equipment for Vehicles - Muffler and exhaust system," p.15..

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