| Operating a motor vehicle, or for that matter | | | | Drinking and driving is not the same as drunk |
| even a bicycle or other human-powered vehicle, | | | | driving or the other terms mentioned earlier. |
| after consuming alcohol or other drugs so that | | | | Drinking and driving means driving a vehicle after |
| mental and motor skills are impaired is recognized | | | | consuming an alcoholic beverage, or driving while |
| as an act of driving under the influence (DUI) or | | | | consuming one. Driving after consuming alcohol is |
| drunk driving. Illegal in most jurisdictions, drunk | | | | generally not considered illegal unless the driver |
| driving is responsible for a large number of | | | | loses his ability to drive safely as defined by law. |
| deaths, injuries, and accidents every year | | | | Even if the driver is not impaired, driving while |
| throughout the world. | | | | consuming alcohol is often illegal. In some |
| The name of the specific criminal offence, | | | | jurisdictions, keeping an open container of an |
| depending on the jurisdiction, may be driving while | | | | alcoholic beverage in the passenger compartment |
| intoxicated (DWI), operating while intoxicated | | | | of a motor vehicle is illegal. |
| (OWI), operating a motor vehicle while intoxicated | | | | In the United States, all states set a BAC limit of |
| (OMVI), driving under the influence [of alcohol or | | | | 0.08%. Some states, however, slap a lesser |
| other drugs] (DUI), or drunk in charge [of a | | | | charge, known usually as driving while impaired, on |
| vehicle]. Such laws are valid for boating or piloting | | | | a BAC of around 0.05%. All states charge |
| aircraft, also. | | | | under-21 drivers who have committed a drunk |
| The guilt of the driver may be established by | | | | driving offence if alcohol is detected in their blood |
| subjective tests of his impairment, or the | | | | (set at .00%, .01% or .02% to be meaningful). |
| measurement of his blood alcohol content (BAC). | | | | The limit for aircraft pilots and commercial drivers |
| BAC is expressed in terms of milligrams of alcohol | | | | is fixed at 0.04%. |
| per milliliters of blood, or as a percentage. | | | | |