It's in past tense
had is the past tense form of the verb have or has, therefore the sentence is in past tense.
More people will consider driving without passengers.
It's a hyperbole. Hyperbolas are meant to create a strong impression of something, but not to be taken literally.
<span>2. As he ran he could hear the "Plop! Plop!" of the oobleck on the windowpanes. It was pelting against the palace walls as big as greenish cup-cakes now! Plop is an example of onomatopoeia. Onomatopoeia is a word based on the sound associated with the word. Other examples include: buzz, meow, oink, splat. None of the other examples have these types of words.</span>