===================================================================
--- original.js
+++ change.js
@@ -157,9 +157,9 @@
 	game.addRoadSegment();
 }
 var scoreText = new Text2('0', {
 	size: 150,
-	fill: "#ffffff",
+	fill: 0xFFFFFF,
 	weight: '800',
 	dropShadow: true,
 	dropShadowColor: '#373330',
 	dropShadowBlur: 4,
@@ -180,9 +180,9 @@
 	return text;
 }
 var notificationText = new Text2(getRandomNotificationText(), {
 	size: 60,
-	fill: "#ffffff",
+	fill: 0xFFFFFF,
 	weight: '400',
 	align: 'center',
 	stroke: '#000000',
 	strokeThickness: 8
@@ -235,8 +235,13 @@
 		score++;
 		car.ORIGINAL_SPEED += 0.1;
 		scoreText.setText(score.toString());
 		notificationText.setText(getRandomNotificationText());
+		// Reduce the speed of the car as the tire wears out
+		car.ORIGINAL_SPEED -= 0.05;
+		if (car.ORIGINAL_SPEED < 0) {
+			car.ORIGINAL_SPEED = 0;
+		}
 	}
 	if (!carIsOnRoad) {
 		LK.showGameOver();
 	} else {}