That Atlas family consisted of three main engines; the front-running 4.2-liter inline-six, the 3.5-liter five-cylinder, and the 2.8-liter four-cylinder. All three shared the same basic ...

NOx emissions from diesel vehicles ... the Walmart truck is rolling out in July with the three-cylinder, six-piston, 10.6-liter engine fitted, in a culmination of the late company founders ...