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2. High-intensity discharge lamp - Wikipedia

   en.wikipedia.org/wiki/High-intensity_discharge_lamp

   HID lamps produce different colors of light primarily through the use of various metal additives in the lamp's arc tube and the physics of the gas discharge process. [11] Metal Additives: HID lamps contain an arc tube filled with a mixture of gases, including a noble gas (like xenon). These metal additives are crucial for producing different ...

3. Hidden headlamp - Wikipedia

   en.wikipedia.org/wiki/Hidden_headlamp

   In the past, manufacturers often used hidden headlamps to circumvent headlight height regulations in the United States. For instance, in 1983, Toyota exported their retractable headlight version of the AE86 (known domestically as the Sprinter Trueno ) instead of the Corolla Levin , as the former had a higher headlamp height, enough to satisfy ...

4. Headlamp - Wikipedia

   en.wikipedia.org/wiki/Headlamp

   HID projector low beam headlamp illuminated on a Lincoln MKS. High-intensity discharge lamps (HID) produce light with an electric arc rather than a glowing filament. The high intensity of the arc comes from metallic salts that are vaporized within the arc chamber. These lamps have a higher efficacy than tungsten lamps.

5. Automotive lighting - Wikipedia

   en.wikipedia.org/wiki/Automotive_lighting

   The emergency stop signal is automatically activated if the vehicle speed is greater than 50 km/h (31 mph) and the emergency braking logic defined by regulation No. 13 (heavy vehicles), 13H (light vehicles), or 78 (motorcycles) is activated; the ESS may be displayed when a light vehicle's deceleration is greater than 6 m/s 2 (20 ft/s 2) or a ...

6. Headlight flashing - Wikipedia

   en.wikipedia.org/wiki/Headlight_flashing

   In Arizona, flashing high beams or headlights is a violation of A.R.S. Section 28-942.1 (Failure to Dim Headlights). However, A.R.S. Section 28-942.2. states: If the driver of a vehicle follows another vehicle within 200 feet to the rear, except when engaged in the act of overtaking and passing, the driver shall use a distribution of light ...

7. Train lights - Wikipedia

   en.wikipedia.org/wiki/Train_lights

   The headlight on this train helps it stand out at night. Trains include a variety of types of lights, for safety, illumination, and communicating train status. [1] The most universal type of light is the headlight, which is included on the front of locomotives, and frequently on the rear as well. [2]